2278778890

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{528719}}^1$

素因数の和:529157

約数の個数: 16

約数和(自身を含む): 4111326720

約数和(自身を除く): 1832547830

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4310, 528719, 1057438, 2643595, 5287190, 227877889, 455755778, 1139389445, 2278778890]

約数ペア:

[(1, 2278778890), (2, 1139389445), (5, 455755778), (10, 227877889), (431, 5287190), (862, 2643595), (2155, 1057438), (4310, 528719)]