183972790

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{491}}^1$

素因数の和:1008

約数の個数: 32

約数和(自身を含む): 336350880

約数和(自身を除く): 152378090

約数列:

[1, 2, 5, 10, 89, 178, 421, 445, 491, 842, 890, 982, 2105, 2455, 4210, 4910, 37469, 43699, 74938, 87398, 187345, 206711, 218495, 374690, 413422, 436990, 1033555, 2067110, 18397279, 36794558, 91986395, 183972790]

約数ペア:

[(1, 183972790), (2, 91986395), (5, 36794558), (10, 18397279), (89, 2067110), (178, 1033555), (421, 436990), (445, 413422), (491, 374690), (842, 218495), (890, 206711), (982, 187345), (2105, 87398), (2455, 74938), (4210, 43699), (4910, 37469)]