401839360

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:125

約数の個数: 288

約数和(自身を含む): 1153797120

約数和(自身を除く): 751957760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 41, 52, 62, 64, 65, 76, 80, 82, 95, 104, 124, 128, 130, 152, 155, 160, 164, 190, 205, 208, 247, 248, 256, 260, 304, 310, 320, 328, 380, 403, 410, 416, 494, 496, 520, 533, 589, 608, 620, 640, 656, 760, 779, 806, 820, 832, 988, 992, 1040, 1066, 1178, 1216, 1235, 1240, 1271, 1280, 1312, 1520, 1558, 1612, 1640, 1664, 1976, 1984, 2015, 2080, 2132, 2356, 2432, 2470, 2480, 2542, 2624, 2665, 2945, 3040, 3116, 3224, 3280, 3328, 3895, 3952, 3968, 4030, 4160, 4264, 4712, 4864, 4940, 4960, 5084, 5248, 5330, 5890, 6080, 6232, 6355, 6448, 6560, 7657, 7790, 7904, 7936, 8060, 8320, 8528, 9424, 9880, 9920, 10127, 10168, 10496, 10660, 11780, 12160, 12464, 12710, 12896, 13120, 15314, 15580, 15808, 16120, 16523, 16640, 17056, 18848, 19760, 19840, 20254, 20336, 21320, 23560, 24149, 24320, 24928, 25420, 25792, 26240, 30628, 31160, 31616, 32240, 33046, 34112, 37696, 38285, 39520, 39680, 40508, 40672, 42640, 47120, 48298, 49856, 50635, 50840, 51584, 52480, 61256, 62320, 63232, 64480, 66092, 68224, 75392, 76570, 79040, 81016, 81344, 82615, 85280, 94240, 96596, 99712, 101270, 101680, 103168, 120745, 122512, 124640, 128960, 132184, 136448, 150784, 153140, 158080, 162032, 162688, 165230, 170560, 188480, 193192, 199424, 202540, 203360, 241490, 245024, 249280, 257920, 264368, 306280, 313937, 316160, 324064, 325376, 330460, 341120, 376960, 386384, 405080, 406720, 482980, 490048, 498560, 515840, 528736, 612560, 627874, 648128, 660920, 682240, 753920, 772768, 810160, 813440, 965960, 980096, 997120, 1057472, 1225120, 1255748, 1296256, 1321840, 1545536, 1569685, 1620320, 1626880, 1931920, 1960192, 2114944, 2450240, 2511496, 2592512, 2643680, 3091072, 3139370, 3240640, 3863840, 4229888, 4900480, 5022992, 5287360, 6182144, 6278740, 6481280, 7727680, 9800960, 10045984, 10574720, 12557480, 12962560, 15455360, 20091968, 21149440, 25114960, 30910720, 40183936, 50229920, 80367872, 100459840, 200919680, 401839360]

約数ペア:

[(1, 401839360), (2, 200919680), (4, 100459840), (5, 80367872), (8, 50229920), (10, 40183936), (13, 30910720), (16, 25114960), (19, 21149440), (20, 20091968), (26, 15455360), (31, 12962560), (32, 12557480), (38, 10574720), (40, 10045984), (41, 9800960), (52, 7727680), (62, 6481280), (64, 6278740), (65, 6182144), (76, 5287360), (80, 5022992), (82, 4900480), (95, 4229888), (104, 3863840), (124, 3240640), (128, 3139370), (130, 3091072), (152, 2643680), (155, 2592512), (160, 2511496), (164, 2450240), (190, 2114944), (205, 1960192), (208, 1931920), (247, 1626880), (248, 1620320), (256, 1569685), (260, 1545536), (304, 1321840), (310, 1296256), (320, 1255748), (328, 1225120), (380, 1057472), (403, 997120), (410, 980096), (416, 965960), (494, 813440), (496, 810160), (520, 772768), (533, 753920), (589, 682240), (608, 660920), (620, 648128), (640, 627874), (656, 612560), (760, 528736), (779, 515840), (806, 498560), (820, 490048), (832, 482980), (988, 406720), (992, 405080), (1040, 386384), (1066, 376960), (1178, 341120), (1216, 330460), (1235, 325376), (1240, 324064), (1271, 316160), (1280, 313937), (1312, 306280), (1520, 264368), (1558, 257920), (1612, 249280), (1640, 245024), (1664, 241490), (1976, 203360), (1984, 202540), (2015, 199424), (2080, 193192), (2132, 188480), (2356, 170560), (2432, 165230), (2470, 162688), (2480, 162032), (2542, 158080), (2624, 153140), (2665, 150784), (2945, 136448), (3040, 132184), (3116, 128960), (3224, 124640), (3280, 122512), (3328, 120745), (3895, 103168), (3952, 101680), (3968, 101270), (4030, 99712), (4160, 96596), (4264, 94240), (4712, 85280), (4864, 82615), (4940, 81344), (4960, 81016), (5084, 79040), (5248, 76570), (5330, 75392), (5890, 68224), (6080, 66092), (6232, 64480), (6355, 63232), (6448, 62320), (6560, 61256), (7657, 52480), (7790, 51584), (7904, 50840), (7936, 50635), (8060, 49856), (8320, 48298), (8528, 47120), (9424, 42640), (9880, 40672), (9920, 40508), (10127, 39680), (10168, 39520), (10496, 38285), (10660, 37696), (11780, 34112), (12160, 33046), (12464, 32240), (12710, 31616), (12896, 31160), (13120, 30628), (15314, 26240), (15580, 25792), (15808, 25420), (16120, 24928), (16523, 24320), (16640, 24149), (17056, 23560), (18848, 21320), (19760, 20336), (19840, 20254)]