31445780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{757}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 69275136

約数和(自身を除く): 37829356

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 757, 1340, 1514, 2077, 3028, 3785, 4154, 7570, 8308, 10385, 15140, 20770, 23467, 41540, 46934, 50719, 93868, 101438, 117335, 202876, 234670, 253595, 469340, 507190, 1014380, 1572289, 3144578, 6289156, 7861445, 15722890, 31445780]

約数ペア:

[(1, 31445780), (2, 15722890), (4, 7861445), (5, 6289156), (10, 3144578), (20, 1572289), (31, 1014380), (62, 507190), (67, 469340), (124, 253595), (134, 234670), (155, 202876), (268, 117335), (310, 101438), (335, 93868), (620, 50719), (670, 46934), (757, 41540), (1340, 23467), (1514, 20770), (2077, 15140), (3028, 10385), (3785, 8308), (4154, 7570)]