31791500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 76929216

約数和(自身を除く): 45137716

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 67, 73, 100, 125, 130, 134, 146, 250, 260, 268, 292, 325, 335, 365, 500, 650, 670, 730, 871, 949, 1300, 1340, 1460, 1625, 1675, 1742, 1825, 1898, 3250, 3350, 3484, 3650, 3796, 4355, 4745, 4891, 6500, 6700, 7300, 8375, 8710, 9125, 9490, 9782, 16750, 17420, 18250, 18980, 19564, 21775, 23725, 24455, 33500, 36500, 43550, 47450, 48910, 63583, 87100, 94900, 97820, 108875, 118625, 122275, 127166, 217750, 237250, 244550, 254332, 317915, 435500, 474500, 489100, 611375, 635830, 1222750, 1271660, 1589575, 2445500, 3179150, 6358300, 7947875, 15895750, 31791500]

約数ペア:

[(1, 31791500), (2, 15895750), (4, 7947875), (5, 6358300), (10, 3179150), (13, 2445500), (20, 1589575), (25, 1271660), (26, 1222750), (50, 635830), (52, 611375), (65, 489100), (67, 474500), (73, 435500), (100, 317915), (125, 254332), (130, 244550), (134, 237250), (146, 217750), (250, 127166), (260, 122275), (268, 118625), (292, 108875), (325, 97820), (335, 94900), (365, 87100), (500, 63583), (650, 48910), (670, 47450), (730, 43550), (871, 36500), (949, 33500), (1300, 24455), (1340, 23725), (1460, 21775), (1625, 19564), (1675, 18980), (1742, 18250), (1825, 17420), (1898, 16750), (3250, 9782), (3350, 9490), (3484, 9125), (3650, 8710), (3796, 8375), (4355, 7300), (4745, 6700), (4891, 6500)]