2040198910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{1153}}^1$

素因数の和:1385

約数の個数: 64

約数和(自身を含む): 3954988800

約数和(自身を除く): 1914789890

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 139, 190, 278, 335, 670, 695, 1153, 1273, 1390, 2306, 2546, 2641, 5282, 5765, 6365, 9313, 11530, 12730, 13205, 18626, 21907, 26410, 43814, 46565, 77251, 93130, 109535, 154502, 160267, 176947, 219070, 320534, 353894, 386255, 772510, 801335, 884735, 1467769, 1602670, 1769470, 2935538, 3045073, 6090146, 7338845, 10737889, 14677690, 15225365, 21475778, 30450730, 53689445, 107378890, 204019891, 408039782, 1020099455, 2040198910]

約数ペア:

[(1, 2040198910), (2, 1020099455), (5, 408039782), (10, 204019891), (19, 107378890), (38, 53689445), (67, 30450730), (95, 21475778), (134, 15225365), (139, 14677690), (190, 10737889), (278, 7338845), (335, 6090146), (670, 3045073), (695, 2935538), (1153, 1769470), (1273, 1602670), (1390, 1467769), (2306, 884735), (2546, 801335), (2641, 772510), (5282, 386255), (5765, 353894), (6365, 320534), (9313, 219070), (11530, 176947), (12730, 160267), (13205, 154502), (18626, 109535), (21907, 93130), (26410, 77251), (43814, 46565)]