78927940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2551}}^1$

素因数の和:2597

約数の個数: 96

約数和(自身を含む): 216082944

約数和(自身を除く): 137155004

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 884, 910, 1105, 1190, 1547, 1820, 2210, 2380, 2551, 3094, 4420, 5102, 6188, 7735, 10204, 12755, 15470, 17857, 25510, 30940, 33163, 35714, 43367, 51020, 66326, 71428, 86734, 89285, 132652, 165815, 173468, 178570, 216835, 232141, 303569, 331630, 357140, 433670, 464282, 563771, 607138, 663260, 867340, 928564, 1127542, 1160705, 1214276, 1517845, 2255084, 2321410, 2818855, 3035690, 3946397, 4642820, 5637710, 6071380, 7892794, 11275420, 15785588, 19731985, 39463970, 78927940]

約数ペア:

[(1, 78927940), (2, 39463970), (4, 19731985), (5, 15785588), (7, 11275420), (10, 7892794), (13, 6071380), (14, 5637710), (17, 4642820), (20, 3946397), (26, 3035690), (28, 2818855), (34, 2321410), (35, 2255084), (52, 1517845), (65, 1214276), (68, 1160705), (70, 1127542), (85, 928564), (91, 867340), (119, 663260), (130, 607138), (140, 563771), (170, 464282), (182, 433670), (221, 357140), (238, 331630), (260, 303569), (340, 232141), (364, 216835), (442, 178570), (455, 173468), (476, 165815), (595, 132652), (884, 89285), (910, 86734), (1105, 71428), (1190, 66326), (1547, 51020), (1820, 43367), (2210, 35714), (2380, 33163), (2551, 30940), (3094, 25510), (4420, 17857), (5102, 15470), (6188, 12755), (7735, 10204)]