196951660

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{110647}}^1$

素因数の和:110745

約数の個数: 24

約数和(自身を含む): 418249440

約数和(自身を除く): 221297780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 110647, 221294, 442588, 553235, 1106470, 2212940, 9847583, 19695166, 39390332, 49237915, 98475830, 196951660]

約数ペア:

[(1, 196951660), (2, 98475830), (4, 49237915), (5, 39390332), (10, 19695166), (20, 9847583), (89, 2212940), (178, 1106470), (356, 553235), (445, 442588), (890, 221294), (1780, 110647)]