289770040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 772208640

約数和(自身を除く): 482438600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 97, 140, 188, 194, 227, 235, 280, 329, 376, 388, 454, 470, 485, 658, 679, 776, 908, 940, 970, 1135, 1316, 1358, 1589, 1645, 1816, 1880, 1940, 2270, 2632, 2716, 3178, 3290, 3395, 3880, 4540, 4559, 5432, 6356, 6580, 6790, 7945, 9080, 9118, 10669, 12712, 13160, 13580, 15890, 18236, 21338, 22019, 22795, 27160, 31780, 31913, 36472, 42676, 44038, 45590, 53345, 63560, 63826, 74683, 85352, 88076, 91180, 106690, 110095, 127652, 149366, 154133, 159565, 176152, 182360, 213380, 220190, 255304, 298732, 308266, 319130, 373415, 426760, 440380, 597464, 616532, 638260, 746830, 770665, 880760, 1034893, 1233064, 1276520, 1493660, 1541330, 2069786, 2987320, 3082660, 4139572, 5174465, 6165320, 7244251, 8279144, 10348930, 14488502, 20697860, 28977004, 36221255, 41395720, 57954008, 72442510, 144885020, 289770040]

約数ペア:

[(1, 289770040), (2, 144885020), (4, 72442510), (5, 57954008), (7, 41395720), (8, 36221255), (10, 28977004), (14, 20697860), (20, 14488502), (28, 10348930), (35, 8279144), (40, 7244251), (47, 6165320), (56, 5174465), (70, 4139572), (94, 3082660), (97, 2987320), (140, 2069786), (188, 1541330), (194, 1493660), (227, 1276520), (235, 1233064), (280, 1034893), (329, 880760), (376, 770665), (388, 746830), (454, 638260), (470, 616532), (485, 597464), (658, 440380), (679, 426760), (776, 373415), (908, 319130), (940, 308266), (970, 298732), (1135, 255304), (1316, 220190), (1358, 213380), (1589, 182360), (1645, 176152), (1816, 159565), (1880, 154133), (1940, 149366), (2270, 127652), (2632, 110095), (2716, 106690), (3178, 91180), (3290, 88076), (3395, 85352), (3880, 74683), (4540, 63826), (4559, 63560), (5432, 53345), (6356, 45590), (6580, 44038), (6790, 42676), (7945, 36472), (9080, 31913), (9118, 31780), (10669, 27160), (12712, 22795), (13160, 22019), (13580, 21338), (15890, 18236)]