28564850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 56514240

約数和(自身を除く): 27949390

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 59, 115, 118, 230, 295, 421, 575, 590, 842, 1150, 1357, 1475, 2105, 2714, 2950, 4210, 6785, 9683, 10525, 13570, 19366, 21050, 24839, 33925, 48415, 49678, 67850, 96830, 124195, 242075, 248390, 484150, 571297, 620975, 1142594, 1241950, 2856485, 5712970, 14282425, 28564850]

約数ペア:

[(1, 28564850), (2, 14282425), (5, 5712970), (10, 2856485), (23, 1241950), (25, 1142594), (46, 620975), (50, 571297), (59, 484150), (115, 248390), (118, 242075), (230, 124195), (295, 96830), (421, 67850), (575, 49678), (590, 48415), (842, 33925), (1150, 24839), (1357, 21050), (1475, 19366), (2105, 13570), (2714, 10525), (2950, 9683), (4210, 6785)]