31617740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{419}}^1$

素因数の和:460

約数の個数: 96

約数和(自身を含む): 84672000

約数和(自身を除く): 53054260

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 343, 385, 419, 490, 539, 686, 770, 838, 980, 1078, 1372, 1540, 1676, 1715, 2095, 2156, 2695, 2933, 3430, 3773, 4190, 4609, 5390, 5866, 6860, 7546, 8380, 9218, 10780, 11732, 14665, 15092, 18436, 18865, 20531, 23045, 29330, 32263, 37730, 41062, 46090, 58660, 64526, 75460, 82124, 92180, 102655, 129052, 143717, 161315, 205310, 225841, 287434, 322630, 410620, 451682, 574868, 645260, 718585, 903364, 1129205, 1437170, 1580887, 2258410, 2874340, 3161774, 4516820, 6323548, 7904435, 15808870, 31617740]

約数ペア:

[(1, 31617740), (2, 15808870), (4, 7904435), (5, 6323548), (7, 4516820), (10, 3161774), (11, 2874340), (14, 2258410), (20, 1580887), (22, 1437170), (28, 1129205), (35, 903364), (44, 718585), (49, 645260), (55, 574868), (70, 451682), (77, 410620), (98, 322630), (110, 287434), (140, 225841), (154, 205310), (196, 161315), (220, 143717), (245, 129052), (308, 102655), (343, 92180), (385, 82124), (419, 75460), (490, 64526), (539, 58660), (686, 46090), (770, 41062), (838, 37730), (980, 32263), (1078, 29330), (1372, 23045), (1540, 20531), (1676, 18865), (1715, 18436), (2095, 15092), (2156, 14665), (2695, 11732), (2933, 10780), (3430, 9218), (3773, 8380), (4190, 7546), (4609, 6860), (5390, 5866)]