399007440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:986

約数の個数: 240

約数和(自身を含む): 1475405568

約数和(自身を除く): 1076398128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 47, 48, 52, 60, 65, 72, 78, 80, 90, 94, 104, 117, 120, 130, 141, 144, 156, 180, 188, 195, 208, 234, 235, 240, 260, 282, 312, 360, 376, 390, 423, 468, 470, 520, 564, 585, 611, 624, 705, 720, 752, 780, 846, 907, 936, 940, 1040, 1128, 1170, 1222, 1410, 1560, 1692, 1814, 1833, 1872, 1880, 2115, 2256, 2340, 2444, 2721, 2820, 3055, 3120, 3384, 3628, 3666, 3760, 4230, 4535, 4680, 4888, 5442, 5499, 5640, 6110, 6768, 7256, 7332, 8163, 8460, 9070, 9165, 9360, 9776, 10884, 10998, 11280, 11791, 12220, 13605, 14512, 14664, 16326, 16920, 18140, 18330, 21768, 21996, 23582, 24440, 27210, 27495, 29328, 32652, 33840, 35373, 36280, 36660, 40815, 42629, 43536, 43992, 47164, 48880, 54420, 54990, 58955, 65304, 70746, 72560, 73320, 81630, 85258, 87984, 94328, 106119, 108840, 109980, 117910, 127887, 130608, 141492, 146640, 163260, 170516, 176865, 188656, 212238, 213145, 217680, 219960, 235820, 255774, 282984, 326520, 341032, 353730, 383661, 424476, 426290, 439920, 471640, 511548, 530595, 554177, 565968, 639435, 653040, 682064, 707460, 767322, 848952, 852580, 943280, 1023096, 1061190, 1108354, 1278870, 1414920, 1534644, 1662531, 1697904, 1705160, 1918305, 2046192, 2122380, 2216708, 2557740, 2770885, 2829840, 3069288, 3325062, 3410320, 3836610, 4244760, 4433416, 4987593, 5115480, 5541770, 6138576, 6650124, 7673220, 8312655, 8489520, 8866832, 9975186, 10230960, 11083540, 13300248, 15346440, 16625310, 19950372, 22167080, 24937965, 26600496, 30692880, 33250620, 39900744, 44334160, 49875930, 66501240, 79801488, 99751860, 133002480, 199503720, 399007440]

約数ペア:

[(1, 399007440), (2, 199503720), (3, 133002480), (4, 99751860), (5, 79801488), (6, 66501240), (8, 49875930), (9, 44334160), (10, 39900744), (12, 33250620), (13, 30692880), (15, 26600496), (16, 24937965), (18, 22167080), (20, 19950372), (24, 16625310), (26, 15346440), (30, 13300248), (36, 11083540), (39, 10230960), (40, 9975186), (45, 8866832), (47, 8489520), (48, 8312655), (52, 7673220), (60, 6650124), (65, 6138576), (72, 5541770), (78, 5115480), (80, 4987593), (90, 4433416), (94, 4244760), (104, 3836610), (117, 3410320), (120, 3325062), (130, 3069288), (141, 2829840), (144, 2770885), (156, 2557740), (180, 2216708), (188, 2122380), (195, 2046192), (208, 1918305), (234, 1705160), (235, 1697904), (240, 1662531), (260, 1534644), (282, 1414920), (312, 1278870), (360, 1108354), (376, 1061190), (390, 1023096), (423, 943280), (468, 852580), (470, 848952), (520, 767322), (564, 707460), (585, 682064), (611, 653040), (624, 639435), (705, 565968), (720, 554177), (752, 530595), (780, 511548), (846, 471640), (907, 439920), (936, 426290), (940, 424476), (1040, 383661), (1128, 353730), (1170, 341032), (1222, 326520), (1410, 282984), (1560, 255774), (1692, 235820), (1814, 219960), (1833, 217680), (1872, 213145), (1880, 212238), (2115, 188656), (2256, 176865), (2340, 170516), (2444, 163260), (2721, 146640), (2820, 141492), (3055, 130608), (3120, 127887), (3384, 117910), (3628, 109980), (3666, 108840), (3760, 106119), (4230, 94328), (4535, 87984), (4680, 85258), (4888, 81630), (5442, 73320), (5499, 72560), (5640, 70746), (6110, 65304), (6768, 58955), (7256, 54990), (7332, 54420), (8163, 48880), (8460, 47164), (9070, 43992), (9165, 43536), (9360, 42629), (9776, 40815), (10884, 36660), (10998, 36280), (11280, 35373), (11791, 33840), (12220, 32652), (13605, 29328), (14512, 27495), (14664, 27210), (16326, 24440), (16920, 23582), (18140, 21996), (18330, 21768)]