28499810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2459}}^1$

素因数の和:2546

約数の個数: 32

約数和(自身を含む): 54907200

約数和(自身を除く): 26407390

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 2318, 2459, 4918, 5795, 11590, 12295, 24590, 46721, 93442, 149999, 233605, 299998, 467210, 749995, 1499990, 2849981, 5699962, 14249905, 28499810]

約数ペア:

[(1, 28499810), (2, 14249905), (5, 5699962), (10, 2849981), (19, 1499990), (38, 749995), (61, 467210), (95, 299998), (122, 233605), (190, 149999), (305, 93442), (610, 46721), (1159, 24590), (2318, 12295), (2459, 11590), (4918, 5795)]