28514780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11981}}^1$

素因数の和:12014

約数の個数: 48

約数和(自身を含む): 72467136

約数和(自身を除く): 43952356

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, 1190, 2380, 11981, 23962, 47924, 59905, 83867, 119810, 167734, 203677, 239620, 335468, 407354, 419335, 814708, 838670, 1018385, 1425739, 1677340, 2036770, 2851478, 4073540, 5702956, 7128695, 14257390, 28514780]

約数ペア:

[(1, 28514780), (2, 14257390), (4, 7128695), (5, 5702956), (7, 4073540), (10, 2851478), (14, 2036770), (17, 1677340), (20, 1425739), (28, 1018385), (34, 838670), (35, 814708), (68, 419335), (70, 407354), (85, 335468), (119, 239620), (140, 203677), (170, 167734), (238, 119810), (340, 83867), (476, 59905), (595, 47924), (1190, 23962), (2380, 11981)]