88661720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{316649}}^1$

素因数の和:316667

約数の個数: 32

約数和(自身を含む): 227988000

約数和(自身を除く): 139326280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 316649, 633298, 1266596, 1583245, 2216543, 2533192, 3166490, 4433086, 6332980, 8866172, 11082715, 12665960, 17732344, 22165430, 44330860, 88661720]

約数ペア:

[(1, 88661720), (2, 44330860), (4, 22165430), (5, 17732344), (7, 12665960), (8, 11082715), (10, 8866172), (14, 6332980), (20, 4433086), (28, 3166490), (35, 2533192), (40, 2216543), (56, 1583245), (70, 1266596), (140, 633298), (280, 316649)]