199488800

素因数分解:

$2^5\times 5^2\times 7^3\times {\mathrm{727}}^1$

素因数の和:768

約数の個数: 144

約数和(自身を含む): 568713600

約数和(自身を除く): 369224800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 343, 350, 392, 400, 490, 560, 686, 700, 727, 784, 800, 980, 1120, 1225, 1372, 1400, 1454, 1568, 1715, 1960, 2450, 2744, 2800, 2908, 3430, 3635, 3920, 4900, 5089, 5488, 5600, 5816, 6860, 7270, 7840, 8575, 9800, 10178, 10976, 11632, 13720, 14540, 17150, 18175, 19600, 20356, 23264, 25445, 27440, 29080, 34300, 35623, 36350, 39200, 40712, 50890, 54880, 58160, 68600, 71246, 72700, 81424, 101780, 116320, 127225, 137200, 142492, 145400, 162848, 178115, 203560, 249361, 254450, 274400, 284984, 290800, 356230, 407120, 498722, 508900, 569968, 581600, 712460, 814240, 890575, 997444, 1017800, 1139936, 1246805, 1424920, 1781150, 1994888, 2035600, 2493610, 2849840, 3562300, 3989776, 4071200, 4987220, 5699680, 6234025, 7124600, 7979552, 9974440, 12468050, 14249200, 19948880, 24936100, 28498400, 39897760, 49872200, 99744400, 199488800]

約数ペア:

[(1, 199488800), (2, 99744400), (4, 49872200), (5, 39897760), (7, 28498400), (8, 24936100), (10, 19948880), (14, 14249200), (16, 12468050), (20, 9974440), (25, 7979552), (28, 7124600), (32, 6234025), (35, 5699680), (40, 4987220), (49, 4071200), (50, 3989776), (56, 3562300), (70, 2849840), (80, 2493610), (98, 2035600), (100, 1994888), (112, 1781150), (140, 1424920), (160, 1246805), (175, 1139936), (196, 1017800), (200, 997444), (224, 890575), (245, 814240), (280, 712460), (343, 581600), (350, 569968), (392, 508900), (400, 498722), (490, 407120), (560, 356230), (686, 290800), (700, 284984), (727, 274400), (784, 254450), (800, 249361), (980, 203560), (1120, 178115), (1225, 162848), (1372, 145400), (1400, 142492), (1454, 137200), (1568, 127225), (1715, 116320), (1960, 101780), (2450, 81424), (2744, 72700), (2800, 71246), (2908, 68600), (3430, 58160), (3635, 54880), (3920, 50890), (4900, 40712), (5089, 39200), (5488, 36350), (5600, 35623), (5816, 34300), (6860, 29080), (7270, 27440), (7840, 25445), (8575, 23264), (9800, 20356), (10178, 19600), (10976, 18175), (11632, 17150), (13720, 14540)]