28005050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 56246400

約数和(自身を除く): 28241350

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 82, 95, 190, 205, 410, 475, 719, 779, 950, 1025, 1438, 1558, 2050, 3595, 3895, 7190, 7790, 13661, 17975, 19475, 27322, 29479, 35950, 38950, 58958, 68305, 136610, 147395, 294790, 341525, 560101, 683050, 736975, 1120202, 1473950, 2800505, 5601010, 14002525, 28005050]

約数ペア:

[(1, 28005050), (2, 14002525), (5, 5601010), (10, 2800505), (19, 1473950), (25, 1120202), (38, 736975), (41, 683050), (50, 560101), (82, 341525), (95, 294790), (190, 147395), (205, 136610), (410, 68305), (475, 58958), (719, 38950), (779, 35950), (950, 29479), (1025, 27322), (1438, 19475), (1558, 17975), (2050, 13661), (3595, 7790), (3895, 7190)]