642070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 1360800

約数和(自身を除く): 718730

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 449, 715, 898, 1430, 2245, 4490, 4939, 5837, 9878, 11674, 24695, 29185, 49390, 58370, 64207, 128414, 321035, 642070]

約数ペア:

[(1, 642070), (2, 321035), (5, 128414), (10, 64207), (11, 58370), (13, 49390), (22, 29185), (26, 24695), (55, 11674), (65, 9878), (110, 5837), (130, 4939), (143, 4490), (286, 2245), (449, 1430), (715, 898)]