409816990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{161983}}^1$

素因数の和:162024

約数の個数: 32

約数和(自身を含む): 839725056

約数和(自身を除く): 429908066

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 161983, 323966, 809915, 1619830, 1781813, 3563626, 3725609, 7451218, 8909065, 17818130, 18628045, 37256090, 40981699, 81963398, 204908495, 409816990]

約数ペア:

[(1, 409816990), (2, 204908495), (5, 81963398), (10, 40981699), (11, 37256090), (22, 18628045), (23, 17818130), (46, 8909065), (55, 7451218), (110, 3725609), (115, 3563626), (230, 1781813), (253, 1619830), (506, 809915), (1265, 323966), (2530, 161983)]