53321140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 116802000

約数和(自身を除く): 63480860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 617, 745, 1234, 1490, 2468, 2980, 3085, 4321, 6170, 8642, 12340, 17284, 17893, 21605, 35786, 43210, 71572, 86420, 89465, 91933, 178930, 183866, 357860, 367732, 459665, 919330, 1838660, 2666057, 5332114, 10664228, 13330285, 26660570, 53321140]

約数ペア:

[(1, 53321140), (2, 26660570), (4, 13330285), (5, 10664228), (10, 5332114), (20, 2666057), (29, 1838660), (58, 919330), (116, 459665), (145, 367732), (149, 357860), (290, 183866), (298, 178930), (580, 91933), (596, 89465), (617, 86420), (745, 71572), (1234, 43210), (1490, 35786), (2468, 21605), (2980, 17893), (3085, 17284), (4321, 12340), (6170, 8642)]