657205220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{204101}}^1$

素因数の和:204140

約数の個数: 48

約数和(自身を含む): 1645878528

約数和(自身を除く): 988673308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 204101, 408202, 816404, 1020505, 1428707, 2041010, 2857414, 4082020, 4694323, 5714828, 7143535, 9388646, 14287070, 18777292, 23471615, 28574140, 32860261, 46943230, 65720522, 93886460, 131441044, 164301305, 328602610, 657205220]

約数ペア:

[(1, 657205220), (2, 328602610), (4, 164301305), (5, 131441044), (7, 93886460), (10, 65720522), (14, 46943230), (20, 32860261), (23, 28574140), (28, 23471615), (35, 18777292), (46, 14287070), (70, 9388646), (92, 7143535), (115, 5714828), (140, 4694323), (161, 4082020), (230, 2857414), (322, 2041010), (460, 1428707), (644, 1020505), (805, 816404), (1610, 408202), (3220, 204101)]