286839280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:136

約数の個数: 240

約数和(自身を含む): 868819392

約数和(自身を除く): 581980112

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 41, 52, 56, 62, 65, 70, 80, 82, 91, 104, 112, 124, 130, 140, 155, 164, 182, 205, 208, 217, 248, 260, 280, 287, 310, 328, 364, 403, 410, 434, 455, 496, 520, 533, 560, 574, 620, 656, 728, 806, 820, 868, 910, 961, 1040, 1066, 1085, 1148, 1240, 1271, 1435, 1456, 1612, 1640, 1736, 1820, 1922, 2015, 2132, 2170, 2296, 2480, 2542, 2665, 2821, 2870, 3224, 3280, 3472, 3640, 3731, 3844, 4030, 4264, 4340, 4592, 4805, 5084, 5330, 5642, 5740, 6355, 6448, 6727, 7280, 7462, 7688, 8060, 8528, 8680, 8897, 9610, 10168, 10660, 11284, 11480, 12493, 12710, 13454, 14105, 14924, 15376, 16120, 16523, 17360, 17794, 18655, 19220, 20336, 21320, 22568, 22960, 24986, 25420, 26908, 28210, 29848, 32240, 33046, 33635, 35588, 37310, 38440, 39401, 42640, 44485, 45136, 49972, 50840, 53816, 56420, 59696, 62465, 66092, 67270, 71176, 74620, 76880, 78802, 82615, 87451, 88970, 99944, 101680, 107632, 112840, 115661, 124930, 132184, 134540, 142352, 149240, 157604, 165230, 174902, 177940, 197005, 199888, 225680, 231322, 249860, 264368, 269080, 275807, 298480, 315208, 330460, 349804, 355880, 394010, 437255, 462644, 499720, 512213, 538160, 551614, 578305, 630416, 660920, 699608, 711760, 788020, 874510, 925288, 999440, 1024426, 1103228, 1156610, 1321840, 1379035, 1399216, 1576040, 1749020, 1850576, 2048852, 2206456, 2313220, 2561065, 2758070, 3152080, 3498040, 3585491, 4097704, 4412912, 4626440, 5122130, 5516140, 6996080, 7170982, 8195408, 9252880, 10244260, 11032280, 14341964, 17927455, 20488520, 22064560, 28683928, 35854910, 40977040, 57367856, 71709820, 143419640, 286839280]

約数ペア:

[(1, 286839280), (2, 143419640), (4, 71709820), (5, 57367856), (7, 40977040), (8, 35854910), (10, 28683928), (13, 22064560), (14, 20488520), (16, 17927455), (20, 14341964), (26, 11032280), (28, 10244260), (31, 9252880), (35, 8195408), (40, 7170982), (41, 6996080), (52, 5516140), (56, 5122130), (62, 4626440), (65, 4412912), (70, 4097704), (80, 3585491), (82, 3498040), (91, 3152080), (104, 2758070), (112, 2561065), (124, 2313220), (130, 2206456), (140, 2048852), (155, 1850576), (164, 1749020), (182, 1576040), (205, 1399216), (208, 1379035), (217, 1321840), (248, 1156610), (260, 1103228), (280, 1024426), (287, 999440), (310, 925288), (328, 874510), (364, 788020), (403, 711760), (410, 699608), (434, 660920), (455, 630416), (496, 578305), (520, 551614), (533, 538160), (560, 512213), (574, 499720), (620, 462644), (656, 437255), (728, 394010), (806, 355880), (820, 349804), (868, 330460), (910, 315208), (961, 298480), (1040, 275807), (1066, 269080), (1085, 264368), (1148, 249860), (1240, 231322), (1271, 225680), (1435, 199888), (1456, 197005), (1612, 177940), (1640, 174902), (1736, 165230), (1820, 157604), (1922, 149240), (2015, 142352), (2132, 134540), (2170, 132184), (2296, 124930), (2480, 115661), (2542, 112840), (2665, 107632), (2821, 101680), (2870, 99944), (3224, 88970), (3280, 87451), (3472, 82615), (3640, 78802), (3731, 76880), (3844, 74620), (4030, 71176), (4264, 67270), (4340, 66092), (4592, 62465), (4805, 59696), (5084, 56420), (5330, 53816), (5642, 50840), (5740, 49972), (6355, 45136), (6448, 44485), (6727, 42640), (7280, 39401), (7462, 38440), (7688, 37310), (8060, 35588), (8528, 33635), (8680, 33046), (8897, 32240), (9610, 29848), (10168, 28210), (10660, 26908), (11284, 25420), (11480, 24986), (12493, 22960), (12710, 22568), (13454, 21320), (14105, 20336), (14924, 19220), (15376, 18655), (16120, 17794), (16523, 17360)]