311286640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{11827}}^1$

素因数の和:11894

約数の個数: 80

約数和(自身を含む): 844803072

約数和(自身を除く): 533516432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3290, 3760, 5264, 6580, 11827, 13160, 23654, 26320, 47308, 59135, 82789, 94616, 118270, 165578, 189232, 236540, 331156, 413945, 473080, 555869, 662312, 827890, 946160, 1111738, 1324624, 1655780, 2223476, 2779345, 3311560, 3891083, 4446952, 5558690, 6623120, 7782166, 8893904, 11117380, 15564332, 19455415, 22234760, 31128664, 38910830, 44469520, 62257328, 77821660, 155643320, 311286640]

約数ペア:

[(1, 311286640), (2, 155643320), (4, 77821660), (5, 62257328), (7, 44469520), (8, 38910830), (10, 31128664), (14, 22234760), (16, 19455415), (20, 15564332), (28, 11117380), (35, 8893904), (40, 7782166), (47, 6623120), (56, 5558690), (70, 4446952), (80, 3891083), (94, 3311560), (112, 2779345), (140, 2223476), (188, 1655780), (235, 1324624), (280, 1111738), (329, 946160), (376, 827890), (470, 662312), (560, 555869), (658, 473080), (752, 413945), (940, 331156), (1316, 236540), (1645, 189232), (1880, 165578), (2632, 118270), (3290, 94616), (3760, 82789), (5264, 59135), (6580, 47308), (11827, 26320), (13160, 23654)]