71031380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{72481}}^1$

素因数の和:72504

約数の個数: 36

約数和(自身を含む): 173521908

約数和(自身を除く): 102490528

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 72481, 144962, 289924, 362405, 507367, 724810, 1014734, 1449620, 2029468, 2536835, 3551569, 5073670, 7103138, 10147340, 14206276, 17757845, 35515690, 71031380]

約数ペア:

[(1, 71031380), (2, 35515690), (4, 17757845), (5, 14206276), (7, 10147340), (10, 7103138), (14, 5073670), (20, 3551569), (28, 2536835), (35, 2029468), (49, 1449620), (70, 1014734), (98, 724810), (140, 507367), (196, 362405), (245, 289924), (490, 144962), (980, 72481)]