28436210

素因数分解:

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

素因数の和:431

約数の個数: 48

約数和(自身を含む): 57226176

約数和(自身を除く): 28789966

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, 7282, 7810, 8591, 17182, 18205, 23501, 36410, 40051, 42955, 47002, 80102, 85910, 117505, 200255, 235010, 258511, 400510, 517022, 1292555, 2585110, 2843621, 5687242, 14218105, 28436210]

約数ペア:

[(1, 28436210), (2, 14218105), (5, 5687242), (10, 2843621), (11, 2585110), (22, 1292555), (55, 517022), (71, 400510), (110, 258511), (121, 235010), (142, 200255), (242, 117505), (331, 85910), (355, 80102), (605, 47002), (662, 42955), (710, 40051), (781, 36410), (1210, 23501), (1562, 18205), (1655, 17182), (3310, 8591), (3641, 7810), (3905, 7282)]