86160740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{997}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 188622000

約数和(自身を除く): 102461260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 997, 1490, 1994, 2980, 3988, 4321, 4985, 8642, 9970, 17284, 19940, 21605, 28913, 43210, 57826, 86420, 115652, 144565, 148553, 289130, 297106, 578260, 594212, 742765, 1485530, 2971060, 4308037, 8616074, 17232148, 21540185, 43080370, 86160740]

約数ペア:

[(1, 86160740), (2, 43080370), (4, 21540185), (5, 17232148), (10, 8616074), (20, 4308037), (29, 2971060), (58, 1485530), (116, 742765), (145, 594212), (149, 578260), (290, 297106), (298, 289130), (580, 148553), (596, 144565), (745, 115652), (997, 86420), (1490, 57826), (1994, 43210), (2980, 28913), (3988, 21605), (4321, 19940), (4985, 17284), (8642, 9970)]