142285420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{1033}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 306427968

約数和(自身を除く): 164142548

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 142, 194, 284, 355, 388, 485, 710, 970, 1033, 1420, 1940, 2066, 4132, 5165, 6887, 10330, 13774, 20660, 27548, 34435, 68870, 73343, 100201, 137740, 146686, 200402, 293372, 366715, 400804, 501005, 733430, 1002010, 1466860, 2004020, 7114271, 14228542, 28457084, 35571355, 71142710, 142285420]

約数ペア:

[(1, 142285420), (2, 71142710), (4, 35571355), (5, 28457084), (10, 14228542), (20, 7114271), (71, 2004020), (97, 1466860), (142, 1002010), (194, 733430), (284, 501005), (355, 400804), (388, 366715), (485, 293372), (710, 200402), (970, 146686), (1033, 137740), (1420, 100201), (1940, 73343), (2066, 68870), (4132, 34435), (5165, 27548), (6887, 20660), (10330, 13774)]