2018970910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^2\times {\mathrm{331}}^1$

素因数の和:502

約数の個数: 72

約数和(自身を含む): 4063853304

約数和(自身を除く): 2044882394

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 121, 142, 242, 331, 355, 605, 662, 710, 781, 1210, 1562, 1655, 3310, 3641, 3905, 5041, 7282, 7810, 8591, 10082, 17182, 18205, 23501, 25205, 36410, 40051, 42955, 47002, 50410, 55451, 80102, 85910, 110902, 117505, 200255, 235010, 258511, 277255, 400510, 517022, 554510, 609961, 1219922, 1292555, 1668571, 2585110, 2843621, 3049805, 3337142, 5687242, 6099610, 8342855, 14218105, 16685710, 18354281, 28436210, 36708562, 91771405, 183542810, 201897091, 403794182, 1009485455, 2018970910]

約数ペア:

[(1, 2018970910), (2, 1009485455), (5, 403794182), (10, 201897091), (11, 183542810), (22, 91771405), (55, 36708562), (71, 28436210), (110, 18354281), (121, 16685710), (142, 14218105), (242, 8342855), (331, 6099610), (355, 5687242), (605, 3337142), (662, 3049805), (710, 2843621), (781, 2585110), (1210, 1668571), (1562, 1292555), (1655, 1219922), (3310, 609961), (3641, 554510), (3905, 517022), (5041, 400510), (7282, 277255), (7810, 258511), (8591, 235010), (10082, 200255), (17182, 117505), (18205, 110902), (23501, 85910), (25205, 80102), (36410, 55451), (40051, 50410), (42955, 47002)]