15865220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{16189}}^1$

素因数の和:16212

約数の個数: 36

約数和(自身を含む): 38758860

約数和(自身を除く): 22893640

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 16189, 32378, 64756, 80945, 113323, 161890, 226646, 323780, 453292, 566615, 793261, 1133230, 1586522, 2266460, 3173044, 3966305, 7932610, 15865220]

約数ペア:

[(1, 15865220), (2, 7932610), (4, 3966305), (5, 3173044), (7, 2266460), (10, 1586522), (14, 1133230), (20, 793261), (28, 566615), (35, 453292), (49, 323780), (70, 226646), (98, 161890), (140, 113323), (196, 80945), (245, 64756), (490, 32378), (980, 16189)]