61130020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1699}}^1$

素因数の和:1972

約数の個数: 48

約数和(自身を含む): 147369600

約数和(自身を除く): 86239580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1699, 1799, 2570, 3398, 3598, 5140, 6796, 7196, 8495, 8995, 11893, 16990, 17990, 23786, 33980, 35980, 47572, 59465, 118930, 237860, 436643, 873286, 1746572, 2183215, 3056501, 4366430, 6113002, 8732860, 12226004, 15282505, 30565010, 61130020]

約数ペア:

[(1, 61130020), (2, 30565010), (4, 15282505), (5, 12226004), (7, 8732860), (10, 6113002), (14, 4366430), (20, 3056501), (28, 2183215), (35, 1746572), (70, 873286), (140, 436643), (257, 237860), (514, 118930), (1028, 59465), (1285, 47572), (1699, 35980), (1799, 33980), (2570, 23786), (3398, 17990), (3598, 16990), (5140, 11893), (6796, 8995), (7196, 8495)]