1398496760

素因数分解:

$2^3\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{30323}}^1$

素因数の和:31487

約数の個数: 32

約数和(自身を含む): 3149450640

約数和(自身を除く): 1750953880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1153, 2306, 4612, 5765, 9224, 11530, 23060, 30323, 46120, 60646, 121292, 151615, 242584, 303230, 606460, 1212920, 34962419, 69924838, 139849676, 174812095, 279699352, 349624190, 699248380, 1398496760]

約数ペア:

[(1, 1398496760), (2, 699248380), (4, 349624190), (5, 279699352), (8, 174812095), (10, 139849676), (20, 69924838), (40, 34962419), (1153, 1212920), (2306, 606460), (4612, 303230), (5765, 242584), (9224, 151615), (11530, 121292), (23060, 60646), (30323, 46120)]