71408260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:637

約数の個数: 96

約数和(自身を含む): 189423360

約数和(自身を除く): 118015100

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 89, 110, 140, 154, 178, 220, 308, 356, 385, 445, 521, 623, 770, 890, 979, 1042, 1246, 1540, 1780, 1958, 2084, 2492, 2605, 3115, 3647, 3916, 4895, 5210, 5731, 6230, 6853, 7294, 9790, 10420, 11462, 12460, 13706, 14588, 18235, 19580, 22924, 27412, 28655, 34265, 36470, 40117, 46369, 57310, 68530, 72940, 80234, 92738, 114620, 137060, 160468, 185476, 200585, 231845, 324583, 401170, 463690, 510059, 649166, 802340, 927380, 1020118, 1298332, 1622915, 2040236, 2550295, 3245830, 3570413, 5100590, 6491660, 7140826, 10201180, 14281652, 17852065, 35704130, 71408260]

約数ペア:

[(1, 71408260), (2, 35704130), (4, 17852065), (5, 14281652), (7, 10201180), (10, 7140826), (11, 6491660), (14, 5100590), (20, 3570413), (22, 3245830), (28, 2550295), (35, 2040236), (44, 1622915), (55, 1298332), (70, 1020118), (77, 927380), (89, 802340), (110, 649166), (140, 510059), (154, 463690), (178, 401170), (220, 324583), (308, 231845), (356, 200585), (385, 185476), (445, 160468), (521, 137060), (623, 114620), (770, 92738), (890, 80234), (979, 72940), (1042, 68530), (1246, 57310), (1540, 46369), (1780, 40117), (1958, 36470), (2084, 34265), (2492, 28655), (2605, 27412), (3115, 22924), (3647, 19580), (3916, 18235), (4895, 14588), (5210, 13706), (5731, 12460), (6230, 11462), (6853, 10420), (7294, 9790)]