129979220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{928423}}^1$

素因数の和:928439

約数の個数: 24

約数和(自身を含む): 311950464

約数和(自身を除く): 181971244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 928423, 1856846, 3713692, 4642115, 6498961, 9284230, 12997922, 18568460, 25995844, 32494805, 64989610, 129979220]

約数ペア:

[(1, 129979220), (2, 64989610), (4, 32494805), (5, 25995844), (7, 18568460), (10, 12997922), (14, 9284230), (20, 6498961), (28, 4642115), (35, 3713692), (70, 1856846), (140, 928423)]