210963320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:776

約数の個数: 64

約数和(自身を含む): 487088640

約数和(自身を除く): 276125320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 191, 212, 265, 382, 424, 521, 530, 764, 955, 1042, 1060, 1528, 1910, 2084, 2120, 2605, 3820, 4168, 5210, 7640, 10123, 10420, 20246, 20840, 27613, 40492, 50615, 55226, 80984, 99511, 101230, 110452, 138065, 199022, 202460, 220904, 276130, 398044, 404920, 497555, 552260, 796088, 995110, 1104520, 1990220, 3980440, 5274083, 10548166, 21096332, 26370415, 42192664, 52740830, 105481660, 210963320]

約数ペア:

[(1, 210963320), (2, 105481660), (4, 52740830), (5, 42192664), (8, 26370415), (10, 21096332), (20, 10548166), (40, 5274083), (53, 3980440), (106, 1990220), (191, 1104520), (212, 995110), (265, 796088), (382, 552260), (424, 497555), (521, 404920), (530, 398044), (764, 276130), (955, 220904), (1042, 202460), (1060, 199022), (1528, 138065), (1910, 110452), (2084, 101230), (2120, 99511), (2605, 80984), (3820, 55226), (4168, 50615), (5210, 40492), (7640, 27613), (10123, 20840), (10420, 20246)]