71294470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{18911}}^1$

素因数の和:18960

約数の個数: 32

約数和(自身を含む): 142974720

約数和(自身を除く): 71680250

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 18911, 37822, 94555, 189110, 245843, 491686, 548419, 1096838, 1229215, 2458430, 2742095, 5484190, 7129447, 14258894, 35647235, 71294470]

約数ペア:

[(1, 71294470), (2, 35647235), (5, 14258894), (10, 7129447), (13, 5484190), (26, 2742095), (29, 2458430), (58, 1229215), (65, 1096838), (130, 548419), (145, 491686), (290, 245843), (377, 189110), (754, 94555), (1885, 37822), (3770, 18911)]