409683460

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{13757}}^1$

素因数の和:15255

約数の個数: 24

約数和(自身を含む): 860975640

約数和(自身を除く): 451292180

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2978, 5956, 7445, 13757, 14890, 27514, 29780, 55028, 68785, 137570, 275140, 20484173, 40968346, 81936692, 102420865, 204841730, 409683460]

約数ペア:

[(1, 409683460), (2, 204841730), (4, 102420865), (5, 81936692), (10, 40968346), (20, 20484173), (1489, 275140), (2978, 137570), (5956, 68785), (7445, 55028), (13757, 29780), (14890, 27514)]