210386740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{126739}}^1$

素因数の和:126831

約数の個数: 24

約数和(自身を含む): 447138720

約数和(自身を除く): 236751980

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 126739, 253478, 506956, 633695, 1267390, 2534780, 10519337, 21038674, 42077348, 52596685, 105193370, 210386740]

約数ペア:

[(1, 210386740), (2, 105193370), (4, 52596685), (5, 42077348), (10, 21038674), (20, 10519337), (83, 2534780), (166, 1267390), (332, 633695), (415, 506956), (830, 253478), (1660, 126739)]