212940680

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{18169}}^1$

素因数の和:18473

約数の個数: 32

約数和(自身を含む): 480778200

約数和(自身を除く): 267837520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 11720, 18169, 36338, 72676, 90845, 145352, 181690, 363380, 726760, 5323517, 10647034, 21294068, 26617585, 42588136, 53235170, 106470340, 212940680]

約数ペア:

[(1, 212940680), (2, 106470340), (4, 53235170), (5, 42588136), (8, 26617585), (10, 21294068), (20, 10647034), (40, 5323517), (293, 726760), (586, 363380), (1172, 181690), (1465, 145352), (2344, 90845), (2930, 72676), (5860, 36338), (11720, 18169)]