204052970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1097}}^1$

素因数の和:1223

約数の個数: 64

約数和(自身を含む): 426902400

約数和(自身を除く): 222849430

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 89, 95, 110, 178, 190, 209, 418, 445, 890, 979, 1045, 1097, 1691, 1958, 2090, 2194, 3382, 4895, 5485, 8455, 9790, 10970, 12067, 16910, 18601, 20843, 24134, 37202, 41686, 60335, 93005, 97633, 104215, 120670, 186010, 195266, 208430, 229273, 458546, 488165, 976330, 1073963, 1146365, 1855027, 2147926, 2292730, 3710054, 5369815, 9275135, 10739630, 18550270, 20405297, 40810594, 102026485, 204052970]

約数ペア:

[(1, 204052970), (2, 102026485), (5, 40810594), (10, 20405297), (11, 18550270), (19, 10739630), (22, 9275135), (38, 5369815), (55, 3710054), (89, 2292730), (95, 2147926), (110, 1855027), (178, 1146365), (190, 1073963), (209, 976330), (418, 488165), (445, 458546), (890, 229273), (979, 208430), (1045, 195266), (1097, 186010), (1691, 120670), (1958, 104215), (2090, 97633), (2194, 93005), (3382, 60335), (4895, 41686), (5485, 37202), (8455, 24134), (9790, 20843), (10970, 18601), (12067, 16910)]