126728140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7481}}^1$

素因数の和:7519

約数の個数: 72

約数和(自身を含む): 334355616

約数和(自身を除く): 207627476

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 7481, 8470, 14962, 16940, 29924, 37405, 52367, 74810, 82291, 104734, 149620, 164582, 209468, 261835, 329164, 411455, 523670, 576037, 822910, 905201, 1047340, 1152074, 1645820, 1810402, 2304148, 2880185, 3620804, 4526005, 5760370, 6336407, 9052010, 11520740, 12672814, 18104020, 25345628, 31682035, 63364070, 126728140]

約数ペア:

[(1, 126728140), (2, 63364070), (4, 31682035), (5, 25345628), (7, 18104020), (10, 12672814), (11, 11520740), (14, 9052010), (20, 6336407), (22, 5760370), (28, 4526005), (35, 3620804), (44, 2880185), (55, 2304148), (70, 1810402), (77, 1645820), (110, 1152074), (121, 1047340), (140, 905201), (154, 822910), (220, 576037), (242, 523670), (308, 411455), (385, 329164), (484, 261835), (605, 209468), (770, 164582), (847, 149620), (1210, 104734), (1540, 82291), (1694, 74810), (2420, 52367), (3388, 37405), (4235, 29924), (7481, 16940), (8470, 14962)]