201405820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{130783}}^1$

素因数の和:130810

約数の個数: 48

約数和(自身を含む): 527321088

約数和(自身を除く): 325915268

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, 130783, 261566, 523132, 653915, 915481, 1307830, 1438613, 1830962, 2615660, 2877226, 3661924, 4577405, 5754452, 7193065, 9154810, 10070291, 14386130, 18309620, 20140582, 28772260, 40281164, 50351455, 100702910, 201405820]

約数ペア:

[(1, 201405820), (2, 100702910), (4, 50351455), (5, 40281164), (7, 28772260), (10, 20140582), (11, 18309620), (14, 14386130), (20, 10070291), (22, 9154810), (28, 7193065), (35, 5754452), (44, 4577405), (55, 3661924), (70, 2877226), (77, 2615660), (110, 1830962), (140, 1438613), (154, 1307830), (220, 915481), (308, 653915), (385, 523132), (770, 261566), (1540, 130783)]