194620340

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{61981}}^1$

素因数の和:62147

約数の個数: 24

約数和(自身を含む): 411312552

約数和(自身を除く): 216692212

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 61981, 123962, 247924, 309905, 619810, 1239620, 9731017, 19462034, 38924068, 48655085, 97310170, 194620340]

約数ペア:

[(1, 194620340), (2, 97310170), (4, 48655085), (5, 38924068), (10, 19462034), (20, 9731017), (157, 1239620), (314, 619810), (628, 309905), (785, 247924), (1570, 123962), (3140, 61981)]