209436700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4051}}^1$

素因数の和:4123

約数の個数: 72

約数和(自身を含む): 506467584

約数和(自身を除く): 297030884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 47, 50, 55, 94, 100, 110, 188, 220, 235, 275, 470, 517, 550, 940, 1034, 1100, 1175, 2068, 2350, 2585, 4051, 4700, 5170, 8102, 10340, 12925, 16204, 20255, 25850, 40510, 44561, 51700, 81020, 89122, 101275, 178244, 190397, 202550, 222805, 380794, 405100, 445610, 761588, 891220, 951985, 1114025, 1903970, 2094367, 2228050, 3807940, 4188734, 4456100, 4759925, 8377468, 9519850, 10471835, 19039700, 20943670, 41887340, 52359175, 104718350, 209436700]

約数ペア:

[(1, 209436700), (2, 104718350), (4, 52359175), (5, 41887340), (10, 20943670), (11, 19039700), (20, 10471835), (22, 9519850), (25, 8377468), (44, 4759925), (47, 4456100), (50, 4188734), (55, 3807940), (94, 2228050), (100, 2094367), (110, 1903970), (188, 1114025), (220, 951985), (235, 891220), (275, 761588), (470, 445610), (517, 405100), (550, 380794), (940, 222805), (1034, 202550), (1100, 190397), (1175, 178244), (2068, 101275), (2350, 89122), (2585, 81020), (4051, 51700), (4700, 44561), (5170, 40510), (8102, 25850), (10340, 20255), (12925, 16204)]