154900180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{1091}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 337559040

約数和(自身を除く): 182658860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 229, 310, 458, 620, 916, 1091, 1145, 2182, 2290, 4364, 4580, 5455, 7099, 10910, 14198, 21820, 28396, 33821, 35495, 67642, 70990, 135284, 141980, 169105, 249839, 338210, 499678, 676420, 999356, 1249195, 2498390, 4996780, 7745009, 15490018, 30980036, 38725045, 77450090, 154900180]

約数ペア:

[(1, 154900180), (2, 77450090), (4, 38725045), (5, 30980036), (10, 15490018), (20, 7745009), (31, 4996780), (62, 2498390), (124, 1249195), (155, 999356), (229, 676420), (310, 499678), (458, 338210), (620, 249839), (916, 169105), (1091, 141980), (1145, 135284), (2182, 70990), (2290, 67642), (4364, 35495), (4580, 33821), (5455, 28396), (7099, 21820), (10910, 14198)]