201919340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{947}}^1\times {\mathrm{1523}}^1$

素因数の和:2486

約数の個数: 48

約数和(自身を含む): 485436672

約数和(自身を除く): 283517332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 947, 1523, 1894, 3046, 3788, 4735, 6092, 6629, 7615, 9470, 10661, 13258, 15230, 18940, 21322, 26516, 30460, 33145, 42644, 53305, 66290, 106610, 132580, 213220, 1442281, 2884562, 5769124, 7211405, 10095967, 14422810, 20191934, 28845620, 40383868, 50479835, 100959670, 201919340]

約数ペア:

[(1, 201919340), (2, 100959670), (4, 50479835), (5, 40383868), (7, 28845620), (10, 20191934), (14, 14422810), (20, 10095967), (28, 7211405), (35, 5769124), (70, 2884562), (140, 1442281), (947, 213220), (1523, 132580), (1894, 106610), (3046, 66290), (3788, 53305), (4735, 42644), (6092, 33145), (6629, 30460), (7615, 26516), (9470, 21322), (10661, 18940), (13258, 15230)]