71887450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2441}}^1$

素因数の和:2503

約数の個数: 48

約数和(自身を含む): 145347840

約数和(自身を除く): 73460390

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 155, 190, 310, 475, 589, 775, 950, 1178, 1550, 2441, 2945, 4882, 5890, 12205, 14725, 24410, 29450, 46379, 61025, 75671, 92758, 122050, 151342, 231895, 378355, 463790, 756710, 1159475, 1437749, 1891775, 2318950, 2875498, 3783550, 7188745, 14377490, 35943725, 71887450]

約数ペア:

[(1, 71887450), (2, 35943725), (5, 14377490), (10, 7188745), (19, 3783550), (25, 2875498), (31, 2318950), (38, 1891775), (50, 1437749), (62, 1159475), (95, 756710), (155, 463790), (190, 378355), (310, 231895), (475, 151342), (589, 122050), (775, 92758), (950, 75671), (1178, 61025), (1550, 46379), (2441, 29450), (2945, 24410), (4882, 14725), (5890, 12205)]