31355380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7723}}^1$

素因数の和:7768

約数の個数: 48

約数和(自身を含む): 77857920

約数和(自身を除く): 46502540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 7723, 15446, 30892, 38615, 54061, 77230, 108122, 154460, 216244, 223967, 270305, 447934, 540610, 895868, 1081220, 1119835, 1567769, 2239670, 3135538, 4479340, 6271076, 7838845, 15677690, 31355380]

約数ペア:

[(1, 31355380), (2, 15677690), (4, 7838845), (5, 6271076), (7, 4479340), (10, 3135538), (14, 2239670), (20, 1567769), (28, 1119835), (29, 1081220), (35, 895868), (58, 540610), (70, 447934), (116, 270305), (140, 223967), (145, 216244), (203, 154460), (290, 108122), (406, 77230), (580, 54061), (812, 38615), (1015, 30892), (2030, 15446), (4060, 7723)]