210018220

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{126517}}^1$

素因数の和:126609

約数の個数: 24

約数和(自身を含む): 446355504

約数和(自身を除く): 236337284

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 126517, 253034, 506068, 632585, 1265170, 2530340, 10500911, 21001822, 42003644, 52504555, 105009110, 210018220]

約数ペア:

[(1, 210018220), (2, 105009110), (4, 52504555), (5, 42003644), (10, 21001822), (20, 10500911), (83, 2530340), (166, 1265170), (332, 632585), (415, 506068), (830, 253034), (1660, 126517)]