123872140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{1091}}^1$

素因数の和:1918

約数の個数: 48

約数和(自身を含む): 297932544

約数和(自身を除く): 174060404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 811, 1091, 1622, 2182, 3244, 4055, 4364, 5455, 5677, 7637, 8110, 10910, 11354, 15274, 16220, 21820, 22708, 28385, 30548, 38185, 56770, 76370, 113540, 152740, 884801, 1769602, 3539204, 4424005, 6193607, 8848010, 12387214, 17696020, 24774428, 30968035, 61936070, 123872140]

約数ペア:

[(1, 123872140), (2, 61936070), (4, 30968035), (5, 24774428), (7, 17696020), (10, 12387214), (14, 8848010), (20, 6193607), (28, 4424005), (35, 3539204), (70, 1769602), (140, 884801), (811, 152740), (1091, 113540), (1622, 76370), (2182, 56770), (3244, 38185), (4055, 30548), (4364, 28385), (5455, 22708), (5677, 21820), (7637, 16220), (8110, 15274), (10910, 11354)]