256418800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{577}}^1$

素因数の和:707

約数の個数: 120

約数和(自身を含む): 679880592

約数和(自身を除く): 423461792

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, 505, 550, 577, 808, 880, 1010, 1100, 1111, 1154, 1616, 2020, 2200, 2222, 2308, 2525, 2885, 4040, 4400, 4444, 4616, 5050, 5555, 5770, 6347, 8080, 8888, 9232, 10100, 11110, 11540, 12694, 14425, 17776, 20200, 22220, 23080, 25388, 27775, 28850, 31735, 40400, 44440, 46160, 50776, 55550, 57700, 58277, 63470, 88880, 101552, 111100, 115400, 116554, 126940, 158675, 222200, 230800, 233108, 253880, 291385, 317350, 444400, 466216, 507760, 582770, 634700, 641047, 932432, 1165540, 1269400, 1282094, 1456925, 2331080, 2538800, 2564188, 2913850, 3205235, 4662160, 5128376, 5827700, 6410470, 10256752, 11655400, 12820940, 16026175, 23310800, 25641880, 32052350, 51283760, 64104700, 128209400, 256418800]

約数ペア:

[(1, 256418800), (2, 128209400), (4, 64104700), (5, 51283760), (8, 32052350), (10, 25641880), (11, 23310800), (16, 16026175), (20, 12820940), (22, 11655400), (25, 10256752), (40, 6410470), (44, 5827700), (50, 5128376), (55, 4662160), (80, 3205235), (88, 2913850), (100, 2564188), (101, 2538800), (110, 2331080), (176, 1456925), (200, 1282094), (202, 1269400), (220, 1165540), (275, 932432), (400, 641047), (404, 634700), (440, 582770), (505, 507760), (550, 466216), (577, 444400), (808, 317350), (880, 291385), (1010, 253880), (1100, 233108), (1111, 230800), (1154, 222200), (1616, 158675), (2020, 126940), (2200, 116554), (2222, 115400), (2308, 111100), (2525, 101552), (2885, 88880), (4040, 63470), (4400, 58277), (4444, 57700), (4616, 55550), (5050, 50776), (5555, 46160), (5770, 44440), (6347, 40400), (8080, 31735), (8888, 28850), (9232, 27775), (10100, 25388), (11110, 23080), (11540, 22220), (12694, 20200), (14425, 17776)]