268755325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 359798400

約数和(自身を除く): 91043075

約数列:

[1, 5, 25, 29, 59, 61, 103, 145, 295, 305, 515, 725, 1475, 1525, 1711, 1769, 2575, 2987, 3599, 6077, 6283, 8555, 8845, 14935, 17995, 30385, 31415, 42775, 44225, 74675, 89975, 104371, 151925, 157075, 176233, 182207, 370697, 521855, 881165, 911035, 1853485, 2609275, 4405825, 4555175, 9267425, 10750213, 53751065, 268755325]

約数ペア:

[(1, 268755325), (5, 53751065), (25, 10750213), (29, 9267425), (59, 4555175), (61, 4405825), (103, 2609275), (145, 1853485), (295, 911035), (305, 881165), (515, 521855), (725, 370697), (1475, 182207), (1525, 176233), (1711, 157075), (1769, 151925), (2575, 104371), (2987, 89975), (3599, 74675), (6077, 44225), (6283, 42775), (8555, 31415), (8845, 30385), (14935, 17995)]