70816420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1187}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 157671360

約数和(自身を除く): 86854940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 628, 785, 1187, 1570, 2374, 2983, 3140, 4748, 5935, 5966, 11870, 11932, 14915, 22553, 23740, 29830, 45106, 59660, 90212, 112765, 186359, 225530, 372718, 451060, 745436, 931795, 1863590, 3540821, 3727180, 7081642, 14163284, 17704105, 35408210, 70816420]

約数ペア:

[(1, 70816420), (2, 35408210), (4, 17704105), (5, 14163284), (10, 7081642), (19, 3727180), (20, 3540821), (38, 1863590), (76, 931795), (95, 745436), (157, 451060), (190, 372718), (314, 225530), (380, 186359), (628, 112765), (785, 90212), (1187, 59660), (1570, 45106), (2374, 29830), (2983, 23740), (3140, 22553), (4748, 14915), (5935, 11932), (5966, 11870)]