201903940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{9679}}^1$

素因数の和:9844

約数の個数: 48

約数和(自身を含む): 487872000

約数和(自身を除く): 285968060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 9679, 10430, 19358, 20860, 38716, 48395, 67753, 96790, 135506, 193580, 271012, 338765, 677530, 1355060, 1442171, 2884342, 5768684, 7210855, 10095197, 14421710, 20190394, 28843420, 40380788, 50475985, 100951970, 201903940]

約数ペア:

[(1, 201903940), (2, 100951970), (4, 50475985), (5, 40380788), (7, 28843420), (10, 20190394), (14, 14421710), (20, 10095197), (28, 7210855), (35, 5768684), (70, 2884342), (140, 1442171), (149, 1355060), (298, 677530), (596, 338765), (745, 271012), (1043, 193580), (1490, 135506), (2086, 96790), (2980, 67753), (4172, 48395), (5215, 38716), (9679, 20860), (10430, 19358)]