27239990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 52678080

約数和(自身を除く): 25438090

約数列:

[1, 2, 5, 10, 29, 41, 58, 79, 82, 145, 158, 205, 290, 395, 410, 790, 841, 1189, 1682, 2291, 2378, 3239, 4205, 4582, 5945, 6478, 8410, 11455, 11890, 16195, 22910, 32390, 34481, 66439, 68962, 93931, 132878, 172405, 187862, 332195, 344810, 469655, 664390, 939310, 2723999, 5447998, 13619995, 27239990]

約数ペア:

[(1, 27239990), (2, 13619995), (5, 5447998), (10, 2723999), (29, 939310), (41, 664390), (58, 469655), (79, 344810), (82, 332195), (145, 187862), (158, 172405), (205, 132878), (290, 93931), (395, 68962), (410, 66439), (790, 34481), (841, 32390), (1189, 22910), (1682, 16195), (2291, 11890), (2378, 11455), (3239, 8410), (4205, 6478), (4582, 5945)]