747445970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:707

約数の個数: 64

約数和(自身を含む): 1459399680

約数和(自身を除く): 711953710

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 137, 170, 274, 335, 479, 670, 685, 958, 1139, 1370, 2278, 2329, 2395, 4658, 4790, 5695, 8143, 9179, 11390, 11645, 16286, 18358, 23290, 32093, 40715, 45895, 64186, 65623, 81430, 91790, 131246, 156043, 160465, 312086, 320930, 328115, 545581, 656230, 780215, 1091162, 1115591, 1560430, 2231182, 2727905, 4396741, 5455810, 5577955, 8793482, 11155910, 21983705, 43967410, 74744597, 149489194, 373722985, 747445970]

約数ペア:

[(1, 747445970), (2, 373722985), (5, 149489194), (10, 74744597), (17, 43967410), (34, 21983705), (67, 11155910), (85, 8793482), (134, 5577955), (137, 5455810), (170, 4396741), (274, 2727905), (335, 2231182), (479, 1560430), (670, 1115591), (685, 1091162), (958, 780215), (1139, 656230), (1370, 545581), (2278, 328115), (2329, 320930), (2395, 312086), (4658, 160465), (4790, 156043), (5695, 131246), (8143, 91790), (9179, 81430), (11390, 65623), (11645, 64186), (16286, 45895), (18358, 40715), (23290, 32093)]