289920990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311743}}^1$

素因数の和:311784

約数の個数: 32

約数和(自身を含む): 718258176

約数和(自身を除く): 428337186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 311743, 623486, 935229, 1558715, 1870458, 3117430, 4676145, 9352290, 9664033, 19328066, 28992099, 48320165, 57984198, 96640330, 144960495, 289920990]

約数ペア:

[(1, 289920990), (2, 144960495), (3, 96640330), (5, 57984198), (6, 48320165), (10, 28992099), (15, 19328066), (30, 9664033), (31, 9352290), (62, 4676145), (93, 3117430), (155, 1870458), (186, 1558715), (310, 935229), (465, 623486), (930, 311743)]