31232740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1193}}^1$

素因数の和:1237

約数の個数: 96

約数和(自身を含む): 86655744

約数和(自身を除く): 55423004

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, 1193, 1309, 1540, 1870, 2380, 2386, 2618, 3740, 4772, 5236, 5965, 6545, 8351, 11930, 13090, 13123, 16702, 20281, 23860, 26180, 26246, 33404, 40562, 41755, 52492, 65615, 81124, 83510, 91861, 101405, 131230, 141967, 167020, 183722, 202810, 223091, 262460, 283934, 367444, 405620, 446182, 459305, 567868, 709835, 892364, 918610, 1115455, 1419670, 1561637, 1837220, 2230910, 2839340, 3123274, 4461820, 6246548, 7808185, 15616370, 31232740]

約数ペア:

[(1, 31232740), (2, 15616370), (4, 7808185), (5, 6246548), (7, 4461820), (10, 3123274), (11, 2839340), (14, 2230910), (17, 1837220), (20, 1561637), (22, 1419670), (28, 1115455), (34, 918610), (35, 892364), (44, 709835), (55, 567868), (68, 459305), (70, 446182), (77, 405620), (85, 367444), (110, 283934), (119, 262460), (140, 223091), (154, 202810), (170, 183722), (187, 167020), (220, 141967), (238, 131230), (308, 101405), (340, 91861), (374, 83510), (385, 81124), (476, 65615), (595, 52492), (748, 41755), (770, 40562), (935, 33404), (1190, 26246), (1193, 26180), (1309, 23860), (1540, 20281), (1870, 16702), (2380, 13123), (2386, 13090), (2618, 11930), (3740, 8351), (4772, 6545), (5236, 5965)]