187555580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{1321}}^1$

素因数の和:1590

約数の個数: 48

約数和(自身を含む): 408656640

約数和(自身を除く): 221101060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 229, 310, 458, 620, 916, 1145, 1321, 2290, 2642, 4580, 5284, 6605, 7099, 13210, 14198, 26420, 28396, 35495, 40951, 70990, 81902, 141980, 163804, 204755, 302509, 409510, 605018, 819020, 1210036, 1512545, 3025090, 6050180, 9377779, 18755558, 37511116, 46888895, 93777790, 187555580]

約数ペア:

[(1, 187555580), (2, 93777790), (4, 46888895), (5, 37511116), (10, 18755558), (20, 9377779), (31, 6050180), (62, 3025090), (124, 1512545), (155, 1210036), (229, 819020), (310, 605018), (458, 409510), (620, 302509), (916, 204755), (1145, 163804), (1321, 141980), (2290, 81902), (2642, 70990), (4580, 40951), (5284, 35495), (6605, 28396), (7099, 26420), (13210, 14198)]