2810780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1181}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 7148736

約数和(自身を除く): 4337956

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1181, 1190, 2362, 2380, 4724, 5905, 8267, 11810, 16534, 20077, 23620, 33068, 40154, 41335, 80308, 82670, 100385, 140539, 165340, 200770, 281078, 401540, 562156, 702695, 1405390, 2810780]

約数ペア:

[(1, 2810780), (2, 1405390), (4, 702695), (5, 562156), (7, 401540), (10, 281078), (14, 200770), (17, 165340), (20, 140539), (28, 100385), (34, 82670), (35, 80308), (68, 41335), (70, 40154), (85, 33068), (119, 23620), (140, 20077), (170, 16534), (238, 11810), (340, 8267), (476, 5905), (595, 4724), (1181, 2380), (1190, 2362)]