203468540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9157}}^1$

素因数の和:9278

約数の個数: 48

約数和(自身を含む): 470794464

約数和(自身を除く): 267325924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 9157, 11110, 18314, 22220, 36628, 45785, 91570, 100727, 183140, 201454, 402908, 503635, 924857, 1007270, 1849714, 2014540, 3699428, 4624285, 9248570, 10173427, 18497140, 20346854, 40693708, 50867135, 101734270, 203468540]

約数ペア:

[(1, 203468540), (2, 101734270), (4, 50867135), (5, 40693708), (10, 20346854), (11, 18497140), (20, 10173427), (22, 9248570), (44, 4624285), (55, 3699428), (101, 2014540), (110, 1849714), (202, 1007270), (220, 924857), (404, 503635), (505, 402908), (1010, 201454), (1111, 183140), (2020, 100727), (2222, 91570), (4444, 45785), (5555, 36628), (9157, 22220), (11110, 18314)]