12107740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 27216000

約数和(自身を除く): 15108260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 239, 298, 340, 478, 596, 745, 956, 1195, 1490, 2390, 2533, 2980, 4063, 4780, 5066, 8126, 10132, 12665, 16252, 20315, 25330, 35611, 40630, 50660, 71222, 81260, 142444, 178055, 356110, 605387, 712220, 1210774, 2421548, 3026935, 6053870, 12107740]

約数ペア:

[(1, 12107740), (2, 6053870), (4, 3026935), (5, 2421548), (10, 1210774), (17, 712220), (20, 605387), (34, 356110), (68, 178055), (85, 142444), (149, 81260), (170, 71222), (239, 50660), (298, 40630), (340, 35611), (478, 25330), (596, 20315), (745, 16252), (956, 12665), (1195, 10132), (1490, 8126), (2390, 5066), (2533, 4780), (2980, 4063)]