408464753420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1\times {\mathrm{791261}}^1$

素因数の和:791810

約数の個数: 48

約数和(自身を含む): 875756121408

約数和(自身を除く): 467291367988

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 487, 530, 974, 1060, 1948, 2435, 4870, 9740, 25811, 51622, 103244, 129055, 258110, 516220, 791261, 1582522, 3165044, 3956305, 7912610, 15825220, 41936833, 83873666, 167747332, 209684165, 385344107, 419368330, 770688214, 838736660, 1541376428, 1926720535, 3853441070, 7706882140, 20423237671, 40846475342, 81692950684, 102116188355, 204232376710, 408464753420]

約数ペア:

[(1, 408464753420), (2, 204232376710), (4, 102116188355), (5, 81692950684), (10, 40846475342), (20, 20423237671), (53, 7706882140), (106, 3853441070), (212, 1926720535), (265, 1541376428), (487, 838736660), (530, 770688214), (974, 419368330), (1060, 385344107), (1948, 209684165), (2435, 167747332), (4870, 83873666), (9740, 41936833), (25811, 15825220), (51622, 7912610), (103244, 3956305), (129055, 3165044), (258110, 1582522), (516220, 791261)]