779627600

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:397

約数の個数: 120

約数和(自身を含む): 1918924800

約数和(自身を除く): 1139297200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 127, 149, 200, 206, 254, 298, 400, 412, 508, 515, 596, 635, 745, 824, 1016, 1030, 1192, 1270, 1490, 1648, 2032, 2060, 2384, 2540, 2575, 2980, 3175, 3725, 4120, 5080, 5150, 5960, 6350, 7450, 8240, 10160, 10300, 11920, 12700, 13081, 14900, 15347, 18923, 20600, 25400, 26162, 29800, 30694, 37846, 41200, 50800, 52324, 59600, 61388, 65405, 75692, 76735, 94615, 104648, 122776, 130810, 151384, 153470, 189230, 209296, 245552, 261620, 302768, 306940, 327025, 378460, 383675, 473075, 523240, 613880, 654050, 756920, 767350, 946150, 1046480, 1227760, 1308100, 1513840, 1534700, 1892300, 1949069, 2616200, 3069400, 3784600, 3898138, 5232400, 6138800, 7569200, 7796276, 9745345, 15592552, 19490690, 31185104, 38981380, 48726725, 77962760, 97453450, 155925520, 194906900, 389813800, 779627600]

約数ペア:

[(1, 779627600), (2, 389813800), (4, 194906900), (5, 155925520), (8, 97453450), (10, 77962760), (16, 48726725), (20, 38981380), (25, 31185104), (40, 19490690), (50, 15592552), (80, 9745345), (100, 7796276), (103, 7569200), (127, 6138800), (149, 5232400), (200, 3898138), (206, 3784600), (254, 3069400), (298, 2616200), (400, 1949069), (412, 1892300), (508, 1534700), (515, 1513840), (596, 1308100), (635, 1227760), (745, 1046480), (824, 946150), (1016, 767350), (1030, 756920), (1192, 654050), (1270, 613880), (1490, 523240), (1648, 473075), (2032, 383675), (2060, 378460), (2384, 327025), (2540, 306940), (2575, 302768), (2980, 261620), (3175, 245552), (3725, 209296), (4120, 189230), (5080, 153470), (5150, 151384), (5960, 130810), (6350, 122776), (7450, 104648), (8240, 94615), (10160, 76735), (10300, 75692), (11920, 65405), (12700, 61388), (13081, 59600), (14900, 52324), (15347, 50800), (18923, 41200), (20600, 37846), (25400, 30694), (26162, 29800)]