4353460

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1997}}^1$

素因数の和:2115

約数の個数: 24

約数和(自身を含む): 9230760

約数和(自身を除く): 4877300

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1997, 2180, 3994, 7988, 9985, 19970, 39940, 217673, 435346, 870692, 1088365, 2176730, 4353460]

約数ペア:

[(1, 4353460), (2, 2176730), (4, 1088365), (5, 870692), (10, 435346), (20, 217673), (109, 39940), (218, 19970), (436, 9985), (545, 7988), (1090, 3994), (1997, 2180)]