899492060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{6263}}^1$

素因数の和:6482

約数の個数: 48

約数和(自身を含む): 1944746496

約数和(自身を除く): 1045254436

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 167, 172, 215, 334, 430, 668, 835, 860, 1670, 3340, 6263, 7181, 12526, 14362, 25052, 28724, 31315, 35905, 62630, 71810, 125260, 143620, 269309, 538618, 1045921, 1077236, 1346545, 2091842, 2693090, 4183684, 5229605, 5386180, 10459210, 20918420, 44974603, 89949206, 179898412, 224873015, 449746030, 899492060]

約数ペア:

[(1, 899492060), (2, 449746030), (4, 224873015), (5, 179898412), (10, 89949206), (20, 44974603), (43, 20918420), (86, 10459210), (167, 5386180), (172, 5229605), (215, 4183684), (334, 2693090), (430, 2091842), (668, 1346545), (835, 1077236), (860, 1045921), (1670, 538618), (3340, 269309), (6263, 143620), (7181, 125260), (12526, 71810), (14362, 62630), (25052, 35905), (28724, 31315)]