220172260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{142969}}^1$

素因数の和:142996

約数の個数: 48

約数和(自身を含む): 576455040

約数和(自身を除く): 356282780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 142969, 285938, 571876, 714845, 1000783, 1429690, 1572659, 2001566, 2859380, 3145318, 4003132, 5003915, 6290636, 7863295, 10007830, 11008613, 15726590, 20015660, 22017226, 31453180, 44034452, 55043065, 110086130, 220172260]

約数ペア:

[(1, 220172260), (2, 110086130), (4, 55043065), (5, 44034452), (7, 31453180), (10, 22017226), (11, 20015660), (14, 15726590), (20, 11008613), (22, 10007830), (28, 7863295), (35, 6290636), (44, 5003915), (55, 4003132), (70, 3145318), (77, 2859380), (110, 2001566), (140, 1572659), (154, 1429690), (220, 1000783), (308, 714845), (385, 571876), (770, 285938), (1540, 142969)]