201009820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{1747}}^1$

素因数の和:2290

約数の個数: 48

約数和(自身を含む): 461639808

約数和(自身を除く): 260629988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 523, 1046, 1747, 2092, 2615, 3494, 5230, 5753, 6988, 8735, 10460, 11506, 17470, 19217, 23012, 28765, 34940, 38434, 57530, 76868, 96085, 115060, 192170, 384340, 913681, 1827362, 3654724, 4568405, 9136810, 10050491, 18273620, 20100982, 40201964, 50252455, 100504910, 201009820]

約数ペア:

[(1, 201009820), (2, 100504910), (4, 50252455), (5, 40201964), (10, 20100982), (11, 18273620), (20, 10050491), (22, 9136810), (44, 4568405), (55, 3654724), (110, 1827362), (220, 913681), (523, 384340), (1046, 192170), (1747, 115060), (2092, 96085), (2615, 76868), (3494, 57530), (5230, 38434), (5753, 34940), (6988, 28765), (8735, 23012), (10460, 19217), (11506, 17470)]