138641940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{770233}}^1$

素因数の和:770248

約数の個数: 36

約数和(自身を含む): 420547764

約数和(自身を除く): 281905824

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 770233, 1540466, 2310699, 3080932, 3851165, 4621398, 6932097, 7702330, 9242796, 11553495, 13864194, 15404660, 23106990, 27728388, 34660485, 46213980, 69320970, 138641940]

約数ペア:

[(1, 138641940), (2, 69320970), (3, 46213980), (4, 34660485), (5, 27728388), (6, 23106990), (9, 15404660), (10, 13864194), (12, 11553495), (15, 9242796), (18, 7702330), (20, 6932097), (30, 4621398), (36, 3851165), (45, 3080932), (60, 2310699), (90, 1540466), (180, 770233)]