450407140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{13397}}^1$

素因数の和:13488

約数の個数: 36

約数和(自身を含む): 969559668

約数和(自身を除く): 519152528

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1681, 3362, 6724, 8405, 13397, 16810, 26794, 33620, 53588, 66985, 133970, 267940, 549277, 1098554, 2197108, 2746385, 5492770, 10985540, 22520357, 45040714, 90081428, 112601785, 225203570, 450407140]

約数ペア:

[(1, 450407140), (2, 225203570), (4, 112601785), (5, 90081428), (10, 45040714), (20, 22520357), (41, 10985540), (82, 5492770), (164, 2746385), (205, 2197108), (410, 1098554), (820, 549277), (1681, 267940), (3362, 133970), (6724, 66985), (8405, 53588), (13397, 33620), (16810, 26794)]