1330999900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{168481}}^1$

素因数の和:168574

約数の個数: 36

約数和(自身を含む): 2924847520

約数和(自身を除く): 1593847620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900, 168481, 336962, 673924, 842405, 1684810, 3369620, 4212025, 8424050, 13309999, 16848100, 26619998, 53239996, 66549995, 133099990, 266199980, 332749975, 665499950, 1330999900]

約数ペア:

[(1, 1330999900), (2, 665499950), (4, 332749975), (5, 266199980), (10, 133099990), (20, 66549995), (25, 53239996), (50, 26619998), (79, 16848100), (100, 13309999), (158, 8424050), (316, 4212025), (395, 3369620), (790, 1684810), (1580, 842405), (1975, 673924), (3950, 336962), (7900, 168481)]