200380340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{126823}}^1$

素因数の和:126911

約数の個数: 24

約数和(自身を含む): 426128640

約数和(自身を除く): 225748300

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 126823, 253646, 507292, 634115, 1268230, 2536460, 10019017, 20038034, 40076068, 50095085, 100190170, 200380340]

約数ペア:

[(1, 200380340), (2, 100190170), (4, 50095085), (5, 40076068), (10, 20038034), (20, 10019017), (79, 2536460), (158, 1268230), (316, 634115), (395, 507292), (790, 253646), (1580, 126823)]