204868400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:591

約数の個数: 120

約数和(自身を含む): 543433968

約数和(自身を除く): 338565568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 101, 110, 176, 200, 202, 220, 275, 400, 404, 440, 461, 505, 550, 808, 880, 922, 1010, 1100, 1111, 1616, 1844, 2020, 2200, 2222, 2305, 2525, 3688, 4040, 4400, 4444, 4610, 5050, 5071, 5555, 7376, 8080, 8888, 9220, 10100, 10142, 11110, 11525, 17776, 18440, 20200, 20284, 22220, 23050, 25355, 27775, 36880, 40400, 40568, 44440, 46100, 46561, 50710, 55550, 81136, 88880, 92200, 93122, 101420, 111100, 126775, 184400, 186244, 202840, 222200, 232805, 253550, 372488, 405680, 444400, 465610, 507100, 512171, 744976, 931220, 1014200, 1024342, 1164025, 1862440, 2028400, 2048684, 2328050, 2560855, 3724880, 4097368, 4656100, 5121710, 8194736, 9312200, 10243420, 12804275, 18624400, 20486840, 25608550, 40973680, 51217100, 102434200, 204868400]

約数ペア:

[(1, 204868400), (2, 102434200), (4, 51217100), (5, 40973680), (8, 25608550), (10, 20486840), (11, 18624400), (16, 12804275), (20, 10243420), (22, 9312200), (25, 8194736), (40, 5121710), (44, 4656100), (50, 4097368), (55, 3724880), (80, 2560855), (88, 2328050), (100, 2048684), (101, 2028400), (110, 1862440), (176, 1164025), (200, 1024342), (202, 1014200), (220, 931220), (275, 744976), (400, 512171), (404, 507100), (440, 465610), (461, 444400), (505, 405680), (550, 372488), (808, 253550), (880, 232805), (922, 222200), (1010, 202840), (1100, 186244), (1111, 184400), (1616, 126775), (1844, 111100), (2020, 101420), (2200, 93122), (2222, 92200), (2305, 88880), (2525, 81136), (3688, 55550), (4040, 50710), (4400, 46561), (4444, 46100), (4610, 44440), (5050, 40568), (5071, 40400), (5555, 36880), (7376, 27775), (8080, 25355), (8888, 23050), (9220, 22220), (10100, 20284), (10142, 20200), (11110, 18440), (11525, 17776)]