98989990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 203793408

約数和(自身を除く): 104803418

約数列:

[1, 2, 5, 10, 11, 22, 41, 47, 55, 82, 94, 110, 205, 235, 410, 451, 467, 470, 517, 902, 934, 1034, 1927, 2255, 2335, 2585, 3854, 4510, 4670, 5137, 5170, 9635, 10274, 19147, 19270, 21197, 21949, 25685, 38294, 42394, 43898, 51370, 95735, 105985, 109745, 191470, 210617, 211970, 219490, 241439, 421234, 482878, 899909, 1053085, 1207195, 1799818, 2106170, 2414390, 4499545, 8999090, 9898999, 19797998, 49494995, 98989990]

約数ペア:

[(1, 98989990), (2, 49494995), (5, 19797998), (10, 9898999), (11, 8999090), (22, 4499545), (41, 2414390), (47, 2106170), (55, 1799818), (82, 1207195), (94, 1053085), (110, 899909), (205, 482878), (235, 421234), (410, 241439), (451, 219490), (467, 211970), (470, 210617), (517, 191470), (902, 109745), (934, 105985), (1034, 95735), (1927, 51370), (2255, 43898), (2335, 42394), (2585, 38294), (3854, 25685), (4510, 21949), (4670, 21197), (5137, 19270), (5170, 19147), (9635, 10274)]