2011097275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{2549}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 2883744000

約数和(自身を除く): 872646725

約数列:

[1, 5, 11, 19, 25, 55, 95, 151, 209, 275, 475, 755, 1045, 1661, 2549, 2869, 3775, 5225, 8305, 12745, 14345, 28039, 31559, 41525, 48431, 63725, 71725, 140195, 157795, 242155, 384899, 532741, 700975, 788975, 1210775, 1924495, 2663705, 4233889, 7313081, 9622475, 13318525, 21169445, 36565405, 80443891, 105847225, 182827025, 402219455, 2011097275]

約数ペア:

[(1, 2011097275), (5, 402219455), (11, 182827025), (19, 105847225), (25, 80443891), (55, 36565405), (95, 21169445), (151, 13318525), (209, 9622475), (275, 7313081), (475, 4233889), (755, 2663705), (1045, 1924495), (1661, 1210775), (2549, 788975), (2869, 700975), (3775, 532741), (5225, 384899), (8305, 242155), (12745, 157795), (14345, 140195), (28039, 71725), (31559, 63725), (41525, 48431)]