20110930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15121}}^1$

素因数の和:15154

約数の個数: 32

約数和(自身を含む): 43551360

約数和(自身を除く): 23440430

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15121, 30242, 75605, 105847, 151210, 211694, 287299, 529235, 574598, 1058470, 1436495, 2011093, 2872990, 4022186, 10055465, 20110930]

約数ペア:

[(1, 20110930), (2, 10055465), (5, 4022186), (7, 2872990), (10, 2011093), (14, 1436495), (19, 1058470), (35, 574598), (38, 529235), (70, 287299), (95, 211694), (133, 151210), (190, 105847), (266, 75605), (665, 30242), (1330, 15121)]