84219940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{5519}}^1$

素因数の和:5644

約数の個数: 48

約数和(自身を含む): 204019200

約数和(自身を除く): 119799260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 5519, 7630, 11038, 15260, 22076, 27595, 38633, 55190, 77266, 110380, 154532, 193165, 386330, 601571, 772660, 1203142, 2406284, 3007855, 4210997, 6015710, 8421994, 12031420, 16843988, 21054985, 42109970, 84219940]

約数ペア:

[(1, 84219940), (2, 42109970), (4, 21054985), (5, 16843988), (7, 12031420), (10, 8421994), (14, 6015710), (20, 4210997), (28, 3007855), (35, 2406284), (70, 1203142), (109, 772660), (140, 601571), (218, 386330), (436, 193165), (545, 154532), (763, 110380), (1090, 77266), (1526, 55190), (2180, 38633), (3052, 27595), (3815, 22076), (5519, 15260), (7630, 11038)]