386490680

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{99611}}^1$

素因数の和:99719

約数の個数: 32

約数和(自身を含む): 878577840

約数和(自身を除く): 492087160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 99611, 199222, 398444, 498055, 796888, 996110, 1992220, 3984440, 9662267, 19324534, 38649068, 48311335, 77298136, 96622670, 193245340, 386490680]

約数ペア:

[(1, 386490680), (2, 193245340), (4, 96622670), (5, 77298136), (8, 48311335), (10, 38649068), (20, 19324534), (40, 9662267), (97, 3984440), (194, 1992220), (388, 996110), (485, 796888), (776, 498055), (970, 398444), (1940, 199222), (3880, 99611)]