61307540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2939}}^1$

素因数の和:3104

約数の個数: 48

約数和(自身を含む): 148176000

約数和(自身を除く): 86868460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2939, 2980, 4172, 5215, 5878, 10430, 11756, 14695, 20573, 20860, 29390, 41146, 58780, 82292, 102865, 205730, 411460, 437911, 875822, 1751644, 2189555, 3065377, 4379110, 6130754, 8758220, 12261508, 15326885, 30653770, 61307540]

約数ペア:

[(1, 61307540), (2, 30653770), (4, 15326885), (5, 12261508), (7, 8758220), (10, 6130754), (14, 4379110), (20, 3065377), (28, 2189555), (35, 1751644), (70, 875822), (140, 437911), (149, 411460), (298, 205730), (596, 102865), (745, 82292), (1043, 58780), (1490, 41146), (2086, 29390), (2939, 20860), (2980, 20573), (4172, 14695), (5215, 11756), (5878, 10430)]