77488600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{7907}}^1$

素因数の和:7937

約数の個数: 72

約数和(自身を含む): 209601540

約数和(自身を除く): 132112940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 7907, 9800, 15814, 31628, 39535, 55349, 63256, 79070, 110698, 158140, 197675, 221396, 276745, 316280, 387443, 395350, 442792, 553490, 774886, 790700, 1106980, 1383725, 1549772, 1581400, 1937215, 2213960, 2767450, 3099544, 3874430, 5534900, 7748860, 9686075, 11069800, 15497720, 19372150, 38744300, 77488600]

約数ペア:

[(1, 77488600), (2, 38744300), (4, 19372150), (5, 15497720), (7, 11069800), (8, 9686075), (10, 7748860), (14, 5534900), (20, 3874430), (25, 3099544), (28, 2767450), (35, 2213960), (40, 1937215), (49, 1581400), (50, 1549772), (56, 1383725), (70, 1106980), (98, 790700), (100, 774886), (140, 553490), (175, 442792), (196, 395350), (200, 387443), (245, 316280), (280, 276745), (350, 221396), (392, 197675), (490, 158140), (700, 110698), (980, 79070), (1225, 63256), (1400, 55349), (1960, 39535), (2450, 31628), (4900, 15814), (7907, 9800)]