254187890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{121621}}^1$

素因数の和:121658

約数の個数: 32

約数和(自身を含む): 525407040

約数和(自身を除く): 271219150

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 121621, 243242, 608105, 1216210, 1337831, 2310799, 2675662, 4621598, 6689155, 11553995, 13378310, 23107990, 25418789, 50837578, 127093945, 254187890]

約数ペア:

[(1, 254187890), (2, 127093945), (5, 50837578), (10, 25418789), (11, 23107990), (19, 13378310), (22, 11553995), (38, 6689155), (55, 4621598), (95, 2675662), (110, 2310799), (190, 1337831), (209, 1216210), (418, 608105), (1045, 243242), (2090, 121621)]