625202540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{13229}}^1$

素因数の和:13394

約数の個数: 48

約数和(自身を含む): 1400263200

約数和(自身を除く): 775060660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1390, 2363, 2780, 4726, 9452, 11815, 13229, 23630, 26458, 47260, 52916, 66145, 132290, 224893, 264580, 449786, 899572, 1124465, 1838831, 2248930, 3677662, 4497860, 7355324, 9194155, 18388310, 31260127, 36776620, 62520254, 125040508, 156300635, 312601270, 625202540]

約数ペア:

[(1, 625202540), (2, 312601270), (4, 156300635), (5, 125040508), (10, 62520254), (17, 36776620), (20, 31260127), (34, 18388310), (68, 9194155), (85, 7355324), (139, 4497860), (170, 3677662), (278, 2248930), (340, 1838831), (556, 1124465), (695, 899572), (1390, 449786), (2363, 264580), (2780, 224893), (4726, 132290), (9452, 66145), (11815, 52916), (13229, 47260), (23630, 26458)]