72781970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{9343}}^1$

素因数の和:9410

約数の個数: 32

約数和(自身を含む): 141281280

約数和(自身を除く): 68499310

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 9343, 18686, 46715, 93430, 177517, 355034, 383063, 766126, 887585, 1775170, 1915315, 3830630, 7278197, 14556394, 36390985, 72781970]

約数ペア:

[(1, 72781970), (2, 36390985), (5, 14556394), (10, 7278197), (19, 3830630), (38, 1915315), (41, 1775170), (82, 887585), (95, 766126), (190, 383063), (205, 355034), (410, 177517), (779, 93430), (1558, 46715), (3895, 18686), (7790, 9343)]