19930750

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{1627}}^1$

素因数の和:1658

約数の個数: 48

約数和(自身を含む): 43428528

約数和(自身を除く): 23497778

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 245, 250, 350, 490, 875, 1225, 1627, 1750, 2450, 3254, 6125, 8135, 11389, 12250, 16270, 22778, 40675, 56945, 79723, 81350, 113890, 159446, 203375, 284725, 398615, 406750, 569450, 797230, 1423625, 1993075, 2847250, 3986150, 9965375, 19930750]

約数ペア:

[(1, 19930750), (2, 9965375), (5, 3986150), (7, 2847250), (10, 1993075), (14, 1423625), (25, 797230), (35, 569450), (49, 406750), (50, 398615), (70, 284725), (98, 203375), (125, 159446), (175, 113890), (245, 81350), (250, 79723), (350, 56945), (490, 40675), (875, 22778), (1225, 16270), (1627, 12250), (1750, 11389), (2450, 8135), (3254, 6125)]