408291280

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{22483}}^1$

素因数の和:22723

約数の個数: 40

約数和(自身を含む): 953501472

約数和(自身を除く): 545210192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1816, 2270, 3632, 4540, 9080, 18160, 22483, 44966, 89932, 112415, 179864, 224830, 359728, 449660, 899320, 1798640, 5103641, 10207282, 20414564, 25518205, 40829128, 51036410, 81658256, 102072820, 204145640, 408291280]

約数ペア:

[(1, 408291280), (2, 204145640), (4, 102072820), (5, 81658256), (8, 51036410), (10, 40829128), (16, 25518205), (20, 20414564), (40, 10207282), (80, 5103641), (227, 1798640), (454, 899320), (908, 449660), (1135, 359728), (1816, 224830), (2270, 179864), (3632, 112415), (4540, 89932), (9080, 44966), (18160, 22483)]