7964990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 17072640

約数和(自身を除く): 9107650

約数列:

[1, 2, 5, 10, 11, 19, 22, 37, 38, 55, 74, 95, 103, 110, 185, 190, 206, 209, 370, 407, 418, 515, 703, 814, 1030, 1045, 1133, 1406, 1957, 2035, 2090, 2266, 3515, 3811, 3914, 4070, 5665, 7030, 7622, 7733, 9785, 11330, 15466, 19055, 19570, 21527, 38110, 38665, 41921, 43054, 72409, 77330, 83842, 107635, 144818, 209605, 215270, 362045, 419210, 724090, 796499, 1592998, 3982495, 7964990]

約数ペア:

[(1, 7964990), (2, 3982495), (5, 1592998), (10, 796499), (11, 724090), (19, 419210), (22, 362045), (37, 215270), (38, 209605), (55, 144818), (74, 107635), (95, 83842), (103, 77330), (110, 72409), (185, 43054), (190, 41921), (206, 38665), (209, 38110), (370, 21527), (407, 19570), (418, 19055), (515, 15466), (703, 11330), (814, 9785), (1030, 7733), (1045, 7622), (1133, 7030), (1406, 5665), (1957, 4070), (2035, 3914), (2090, 3811), (2266, 3515)]