520018330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{449}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 1034208000

約数和(自身を除く): 514189670

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 151, 295, 302, 449, 590, 755, 767, 898, 1510, 1534, 1963, 2245, 3835, 3926, 4490, 5837, 7670, 8909, 9815, 11674, 17818, 19630, 26491, 29185, 44545, 52982, 58370, 67799, 89090, 115817, 132455, 135598, 231634, 264910, 338995, 344383, 579085, 677990, 688766, 881387, 1158170, 1721915, 1762774, 3443830, 4000141, 4406935, 8000282, 8813870, 20000705, 40001410, 52001833, 104003666, 260009165, 520018330]

約数ペア:

[(1, 520018330), (2, 260009165), (5, 104003666), (10, 52001833), (13, 40001410), (26, 20000705), (59, 8813870), (65, 8000282), (118, 4406935), (130, 4000141), (151, 3443830), (295, 1762774), (302, 1721915), (449, 1158170), (590, 881387), (755, 688766), (767, 677990), (898, 579085), (1510, 344383), (1534, 338995), (1963, 264910), (2245, 231634), (3835, 135598), (3926, 132455), (4490, 115817), (5837, 89090), (7670, 67799), (8909, 58370), (9815, 52982), (11674, 44545), (17818, 29185), (19630, 26491)]