204938820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8191}}^1$

素因数の和:8345

約数の個数: 72

約数和(自身を含む): 626196480

約数和(自身を除く): 421257660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8191, 8340, 12510, 16382, 24573, 25020, 32764, 40955, 49146, 73719, 81910, 98292, 122865, 147438, 163820, 245730, 294876, 368595, 491460, 737190, 1138549, 1474380, 2277098, 3415647, 4554196, 5692745, 6831294, 10246941, 11385490, 13662588, 17078235, 20493882, 22770980, 34156470, 40987764, 51234705, 68312940, 102469410, 204938820]

約数ペア:

[(1, 204938820), (2, 102469410), (3, 68312940), (4, 51234705), (5, 40987764), (6, 34156470), (9, 22770980), (10, 20493882), (12, 17078235), (15, 13662588), (18, 11385490), (20, 10246941), (30, 6831294), (36, 5692745), (45, 4554196), (60, 3415647), (90, 2277098), (139, 1474380), (180, 1138549), (278, 737190), (417, 491460), (556, 368595), (695, 294876), (834, 245730), (1251, 163820), (1390, 147438), (1668, 122865), (2085, 98292), (2502, 81910), (2780, 73719), (4170, 49146), (5004, 40955), (6255, 32764), (8191, 25020), (8340, 24573), (12510, 16382)]