28853080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 69439680

約数和(自身を除く): 40586600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 151, 170, 281, 302, 340, 562, 604, 680, 755, 1124, 1208, 1405, 1510, 2248, 2567, 2810, 3020, 4777, 5134, 5620, 6040, 9554, 10268, 11240, 12835, 19108, 20536, 23885, 25670, 38216, 42431, 47770, 51340, 84862, 95540, 102680, 169724, 191080, 212155, 339448, 424310, 721327, 848620, 1442654, 1697240, 2885308, 3606635, 5770616, 7213270, 14426540, 28853080]

約数ペア:

[(1, 28853080), (2, 14426540), (4, 7213270), (5, 5770616), (8, 3606635), (10, 2885308), (17, 1697240), (20, 1442654), (34, 848620), (40, 721327), (68, 424310), (85, 339448), (136, 212155), (151, 191080), (170, 169724), (281, 102680), (302, 95540), (340, 84862), (562, 51340), (604, 47770), (680, 42431), (755, 38216), (1124, 25670), (1208, 23885), (1405, 20536), (1510, 19108), (2248, 12835), (2567, 11240), (2810, 10268), (3020, 9554), (4777, 6040), (5134, 5620)]