7223240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2029}}^1$

素因数の和:2129

約数の個数: 32

約数和(自身を含む): 16443000

約数和(自身を除く): 9219760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2029, 3560, 4058, 8116, 10145, 16232, 20290, 40580, 81160, 180581, 361162, 722324, 902905, 1444648, 1805810, 3611620, 7223240]

約数ペア:

[(1, 7223240), (2, 3611620), (4, 1805810), (5, 1444648), (8, 902905), (10, 722324), (20, 361162), (40, 180581), (89, 81160), (178, 40580), (356, 20290), (445, 16232), (712, 10145), (890, 8116), (1780, 4058), (2029, 3560)]