240290428

素因数分解:

$2^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{21401}}^1$

素因数の和:21813

約数の個数: 24

約数和(自身を含む): 481801824

約数和(自身を除く): 241511396

約数列:

[1, 2, 4, 7, 14, 28, 401, 802, 1604, 2807, 5614, 11228, 21401, 42802, 85604, 149807, 299614, 599228, 8581801, 17163602, 34327204, 60072607, 120145214, 240290428]

約数ペア:

[(1, 240290428), (2, 120145214), (4, 60072607), (7, 34327204), (14, 17163602), (28, 8581801), (401, 599228), (802, 299614), (1604, 149807), (2807, 85604), (5614, 42802), (11228, 21401)]