71530820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{6491}}^1$

素因数の和:6548

約数の個数: 48

約数和(自身を含む): 163598400

約数和(自身を除く): 92067580

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 6491, 11020, 12982, 25964, 32455, 64910, 123329, 129820, 188239, 246658, 376478, 493316, 616645, 752956, 941195, 1233290, 1882390, 2466580, 3576541, 3764780, 7153082, 14306164, 17882705, 35765410, 71530820]

約数ペア:

[(1, 71530820), (2, 35765410), (4, 17882705), (5, 14306164), (10, 7153082), (19, 3764780), (20, 3576541), (29, 2466580), (38, 1882390), (58, 1233290), (76, 941195), (95, 752956), (116, 616645), (145, 493316), (190, 376478), (290, 246658), (380, 188239), (551, 129820), (580, 123329), (1102, 64910), (2204, 32455), (2755, 25964), (5510, 12982), (6491, 11020)]