210247940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{10079}}^1$

素因数の和:10244

約数の個数: 48

約数和(自身を含む): 508032000

約数和(自身を除く): 297784060

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, 10079, 10430, 20158, 20860, 40316, 50395, 70553, 100790, 141106, 201580, 282212, 352765, 705530, 1411060, 1501771, 3003542, 6007084, 7508855, 10512397, 15017710, 21024794, 30035420, 42049588, 52561985, 105123970, 210247940]

約数ペア:

[(1, 210247940), (2, 105123970), (4, 52561985), (5, 42049588), (7, 30035420), (10, 21024794), (14, 15017710), (20, 10512397), (28, 7508855), (35, 6007084), (70, 3003542), (140, 1501771), (149, 1411060), (298, 705530), (596, 352765), (745, 282212), (1043, 201580), (1490, 141106), (2086, 100790), (2980, 70553), (4172, 50395), (5215, 40316), (10079, 20860), (10430, 20158)]