1631000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{233}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 4380480

約数和(自身を除く): 2749480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 233, 250, 280, 350, 466, 500, 700, 875, 932, 1000, 1165, 1400, 1631, 1750, 1864, 2330, 3262, 3500, 4660, 5825, 6524, 7000, 8155, 9320, 11650, 13048, 16310, 23300, 29125, 32620, 40775, 46600, 58250, 65240, 81550, 116500, 163100, 203875, 233000, 326200, 407750, 815500, 1631000]

約数ペア:

[(1, 1631000), (2, 815500), (4, 407750), (5, 326200), (7, 233000), (8, 203875), (10, 163100), (14, 116500), (20, 81550), (25, 65240), (28, 58250), (35, 46600), (40, 40775), (50, 32620), (56, 29125), (70, 23300), (100, 16310), (125, 13048), (140, 11650), (175, 9320), (200, 8155), (233, 7000), (250, 6524), (280, 5825), (350, 4660), (466, 3500), (500, 3262), (700, 2330), (875, 1864), (932, 1750), (1000, 1631), (1165, 1400)]