7548220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 16587648

約数和(自身を除く): 9039428

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 131, 134, 172, 215, 262, 268, 335, 430, 524, 655, 670, 860, 1310, 1340, 2620, 2881, 5633, 5762, 8777, 11266, 11524, 14405, 17554, 22532, 28165, 28810, 35108, 43885, 56330, 57620, 87770, 112660, 175540, 377411, 754822, 1509644, 1887055, 3774110, 7548220]

約数ペア:

[(1, 7548220), (2, 3774110), (4, 1887055), (5, 1509644), (10, 754822), (20, 377411), (43, 175540), (67, 112660), (86, 87770), (131, 57620), (134, 56330), (172, 43885), (215, 35108), (262, 28810), (268, 28165), (335, 22532), (430, 17554), (524, 14405), (655, 11524), (670, 11266), (860, 8777), (1310, 5762), (1340, 5633), (2620, 2881)]