77187820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1733}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 173039328

約数和(自身を除く): 95851508

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 262, 340, 524, 655, 1310, 1733, 2227, 2620, 3466, 4454, 6932, 8665, 8908, 11135, 17330, 22270, 29461, 34660, 44540, 58922, 117844, 147305, 227023, 294610, 454046, 589220, 908092, 1135115, 2270230, 3859391, 4540460, 7718782, 15437564, 19296955, 38593910, 77187820]

約数ペア:

[(1, 77187820), (2, 38593910), (4, 19296955), (5, 15437564), (10, 7718782), (17, 4540460), (20, 3859391), (34, 2270230), (68, 1135115), (85, 908092), (131, 589220), (170, 454046), (262, 294610), (340, 227023), (524, 147305), (655, 117844), (1310, 58922), (1733, 44540), (2227, 34660), (2620, 29461), (3466, 22270), (4454, 17330), (6932, 11135), (8665, 8908)]