210839470

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1993}}^1$

素因数の和:2220

約数の個数: 32

約数和(自身を含む): 387633600

約数和(自身を除く): 176794130

約数列:

[1, 2, 5, 10, 71, 142, 149, 298, 355, 710, 745, 1490, 1993, 3986, 9965, 10579, 19930, 21158, 52895, 105790, 141503, 283006, 296957, 593914, 707515, 1415030, 1484785, 2969570, 21083947, 42167894, 105419735, 210839470]

約数ペア:

[(1, 210839470), (2, 105419735), (5, 42167894), (10, 21083947), (71, 2969570), (142, 1484785), (149, 1415030), (298, 707515), (355, 593914), (710, 296957), (745, 283006), (1490, 141503), (1993, 105790), (3986, 52895), (9965, 21158), (10579, 19930)]