1900510820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1\times {\mathrm{8297}}^1$

素因数の和:9200

約数の個数: 48

約数和(自身を含む): 4303475568

約数和(自身を除く): 2402964748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 881, 1762, 3524, 4405, 8297, 8810, 11453, 16594, 17620, 22906, 33188, 41485, 45812, 57265, 82970, 107861, 114530, 165940, 215722, 229060, 431444, 539305, 1078610, 2157220, 7309657, 14619314, 29238628, 36548285, 73096570, 95025541, 146193140, 190051082, 380102164, 475127705, 950255410, 1900510820]

約数ペア:

[(1, 1900510820), (2, 950255410), (4, 475127705), (5, 380102164), (10, 190051082), (13, 146193140), (20, 95025541), (26, 73096570), (52, 36548285), (65, 29238628), (130, 14619314), (260, 7309657), (881, 2157220), (1762, 1078610), (3524, 539305), (4405, 431444), (8297, 229060), (8810, 215722), (11453, 165940), (16594, 114530), (17620, 107861), (22906, 82970), (33188, 57265), (41485, 45812)]