156958281380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5381}}^1\times {\mathrm{23909}}^1$

素因数の和:29360

約数の個数: 48

約数和(自身を含む): 335092146480

約数和(自身を除く): 178133865100

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 5381, 10762, 21524, 23909, 26905, 47818, 53810, 95636, 107620, 119545, 239090, 328241, 478180, 656482, 1312964, 1458449, 1641205, 2916898, 3282410, 5833796, 6564820, 7292245, 14584490, 29168980, 128654329, 257308658, 514617316, 643271645, 1286543290, 2573086580, 7847914069, 15695828138, 31391656276, 39239570345, 78479140690, 156958281380]

約数ペア:

[(1, 156958281380), (2, 78479140690), (4, 39239570345), (5, 31391656276), (10, 15695828138), (20, 7847914069), (61, 2573086580), (122, 1286543290), (244, 643271645), (305, 514617316), (610, 257308658), (1220, 128654329), (5381, 29168980), (10762, 14584490), (21524, 7292245), (23909, 6564820), (26905, 5833796), (47818, 3282410), (53810, 2916898), (95636, 1641205), (107620, 1458449), (119545, 1312964), (239090, 656482), (328241, 478180)]