2000890090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1\times {\mathrm{19219}}^1$

素因数の和:19614

約数の個数: 32

約数和(自身を含む): 3736368000

約数和(自身を除く): 1735477910

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 359, 718, 1795, 3590, 10411, 19219, 20822, 38438, 52055, 96095, 104110, 192190, 557351, 1114702, 2786755, 5573510, 6899621, 13799242, 34498105, 68996210, 200089009, 400178018, 1000445045, 2000890090]

約数ペア:

[(1, 2000890090), (2, 1000445045), (5, 400178018), (10, 200089009), (29, 68996210), (58, 34498105), (145, 13799242), (290, 6899621), (359, 5573510), (718, 2786755), (1795, 1114702), (3590, 557351), (10411, 192190), (19219, 104110), (20822, 96095), (38438, 52055)]