87176390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2109

約数の個数: 48

約数和(自身を含む): 184680000

約数和(自身を除く): 97503610

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 445, 490, 623, 890, 1246, 1999, 3115, 3998, 4361, 6230, 8722, 9995, 13993, 19990, 21805, 27986, 43610, 69965, 97951, 139930, 177911, 195902, 355822, 489755, 889555, 979510, 1245377, 1779110, 2490754, 6226885, 8717639, 12453770, 17435278, 43588195, 87176390]

約数ペア:

[(1, 87176390), (2, 43588195), (5, 17435278), (7, 12453770), (10, 8717639), (14, 6226885), (35, 2490754), (49, 1779110), (70, 1245377), (89, 979510), (98, 889555), (178, 489755), (245, 355822), (445, 195902), (490, 177911), (623, 139930), (890, 97951), (1246, 69965), (1999, 43610), (3115, 27986), (3998, 21805), (4361, 19990), (6230, 13993), (8722, 9995)]