204021160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{728647}}^1$

素因数の和:728665

約数の個数: 32

約数和(自身を含む): 524626560

約数和(自身を除く): 320605400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 728647, 1457294, 2914588, 3643235, 5100529, 5829176, 7286470, 10201058, 14572940, 20402116, 25502645, 29145880, 40804232, 51005290, 102010580, 204021160]

約数ペア:

[(1, 204021160), (2, 102010580), (4, 51005290), (5, 40804232), (7, 29145880), (8, 25502645), (10, 20402116), (14, 14572940), (20, 10201058), (28, 7286470), (35, 5829176), (40, 5100529), (56, 3643235), (70, 2914588), (140, 1457294), (280, 728647)]