144448760

素因数分解:

$2^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{4099}}^1$

素因数の和:4991

約数の個数: 32

約数和(自身を含む): 325458000

約数和(自身を除く): 181009240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 881, 1762, 3524, 4099, 4405, 7048, 8198, 8810, 16396, 17620, 20495, 32792, 35240, 40990, 81980, 163960, 3611219, 7222438, 14444876, 18056095, 28889752, 36112190, 72224380, 144448760]

約数ペア:

[(1, 144448760), (2, 72224380), (4, 36112190), (5, 28889752), (8, 18056095), (10, 14444876), (20, 7222438), (40, 3611219), (881, 163960), (1762, 81980), (3524, 40990), (4099, 35240), (4405, 32792), (7048, 20495), (8198, 17620), (8810, 16396)]