205660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 536256

約数和(自身を除く): 330596

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 113, 130, 140, 182, 226, 260, 364, 452, 455, 565, 791, 910, 1130, 1469, 1582, 1820, 2260, 2938, 3164, 3955, 5876, 7345, 7910, 10283, 14690, 15820, 20566, 29380, 41132, 51415, 102830, 205660]

約数ペア:

[(1, 205660), (2, 102830), (4, 51415), (5, 41132), (7, 29380), (10, 20566), (13, 15820), (14, 14690), (20, 10283), (26, 7910), (28, 7345), (35, 5876), (52, 3955), (65, 3164), (70, 2938), (91, 2260), (113, 1820), (130, 1582), (140, 1469), (182, 1130), (226, 910), (260, 791), (364, 565), (452, 455)]