291279770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1\times {\mathrm{2237}}^1$

素因数の和:2722

約数の個数: 32

約数和(自身を含む): 543834000

約数和(自身を除く): 252554230

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 449, 898, 2237, 2245, 4474, 4490, 11185, 13021, 22370, 26042, 64873, 65105, 129746, 130210, 324365, 648730, 1004413, 2008826, 5022065, 10044130, 29127977, 58255954, 145639885, 291279770]

約数ペア:

[(1, 291279770), (2, 145639885), (5, 58255954), (10, 29127977), (29, 10044130), (58, 5022065), (145, 2008826), (290, 1004413), (449, 648730), (898, 324365), (2237, 130210), (2245, 129746), (4474, 65105), (4490, 64873), (11185, 26042), (13021, 22370)]