1515140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 3556224

約数和(自身を除く): 2041084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 97, 110, 142, 194, 220, 284, 355, 388, 485, 710, 781, 970, 1067, 1420, 1562, 1940, 2134, 3124, 3905, 4268, 5335, 6887, 7810, 10670, 13774, 15620, 21340, 27548, 34435, 68870, 75757, 137740, 151514, 303028, 378785, 757570, 1515140]

約数ペア:

[(1, 1515140), (2, 757570), (4, 378785), (5, 303028), (10, 151514), (11, 137740), (20, 75757), (22, 68870), (44, 34435), (55, 27548), (71, 21340), (97, 15620), (110, 13774), (142, 10670), (194, 7810), (220, 6887), (284, 5335), (355, 4268), (388, 3905), (485, 3124), (710, 2134), (781, 1940), (970, 1562), (1067, 1420)]