31756340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1213}}^1$

素因数の和:1257

約数の個数: 96

約数和(自身を含む): 88107264

約数和(自身を除く): 56350924

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 748, 770, 935, 1190, 1213, 1309, 1540, 1870, 2380, 2426, 2618, 3740, 4852, 5236, 6065, 6545, 8491, 12130, 13090, 13343, 16982, 20621, 24260, 26180, 26686, 33964, 41242, 42455, 53372, 66715, 82484, 84910, 93401, 103105, 133430, 144347, 169820, 186802, 206210, 226831, 266860, 288694, 373604, 412420, 453662, 467005, 577388, 721735, 907324, 934010, 1134155, 1443470, 1587817, 1868020, 2268310, 2886940, 3175634, 4536620, 6351268, 7939085, 15878170, 31756340]

約数ペア:

[(1, 31756340), (2, 15878170), (4, 7939085), (5, 6351268), (7, 4536620), (10, 3175634), (11, 2886940), (14, 2268310), (17, 1868020), (20, 1587817), (22, 1443470), (28, 1134155), (34, 934010), (35, 907324), (44, 721735), (55, 577388), (68, 467005), (70, 453662), (77, 412420), (85, 373604), (110, 288694), (119, 266860), (140, 226831), (154, 206210), (170, 186802), (187, 169820), (220, 144347), (238, 133430), (308, 103105), (340, 93401), (374, 84910), (385, 82484), (476, 66715), (595, 53372), (748, 42455), (770, 41242), (935, 33964), (1190, 26686), (1213, 26180), (1309, 24260), (1540, 20621), (1870, 16982), (2380, 13343), (2426, 13090), (2618, 12130), (3740, 8491), (4852, 6545), (5236, 6065)]