81938450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7841}}^1$

素因数の和:7883

約数の個数: 48

約数和(自身を含む): 175033440

約数和(自身を除く): 93094990

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 2090, 5225, 7841, 10450, 15682, 39205, 78410, 86251, 148979, 172502, 196025, 297958, 392050, 431255, 744895, 862510, 1489790, 1638769, 2156275, 3277538, 3724475, 4312550, 7448950, 8193845, 16387690, 40969225, 81938450]

約数ペア:

[(1, 81938450), (2, 40969225), (5, 16387690), (10, 8193845), (11, 7448950), (19, 4312550), (22, 3724475), (25, 3277538), (38, 2156275), (50, 1638769), (55, 1489790), (95, 862510), (110, 744895), (190, 431255), (209, 392050), (275, 297958), (418, 196025), (475, 172502), (550, 148979), (950, 86251), (1045, 78410), (2090, 39205), (5225, 15682), (7841, 10450)]