214916180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{346639}}^1$

素因数の和:346679

約数の個数: 24

約数和(自身を含む): 465884160

約数和(自身を除く): 250967980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 346639, 693278, 1386556, 1733195, 3466390, 6932780, 10745809, 21491618, 42983236, 53729045, 107458090, 214916180]

約数ペア:

[(1, 214916180), (2, 107458090), (4, 53729045), (5, 42983236), (10, 21491618), (20, 10745809), (31, 6932780), (62, 3466390), (124, 1733195), (155, 1386556), (310, 693278), (620, 346639)]