31510257940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{49369}}^1$

素因数の和:49529

約数の個数: 96

約数和(自身を含む): 78031457280

約数和(自身を除く): 46521199340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 97, 140, 188, 194, 235, 329, 388, 470, 485, 658, 679, 940, 970, 1316, 1358, 1645, 1940, 2716, 3290, 3395, 4559, 6580, 6790, 9118, 13580, 18236, 22795, 31913, 45590, 49369, 63826, 91180, 98738, 127652, 159565, 197476, 246845, 319130, 345583, 493690, 638260, 691166, 987380, 1382332, 1727915, 2320343, 3455830, 4640686, 4788793, 6911660, 9281372, 9577586, 11601715, 16242401, 19155172, 23203430, 23943965, 32484802, 33521551, 46406860, 47887930, 64969604, 67043102, 81212005, 95775860, 134086204, 162424010, 167607755, 225073271, 324848020, 335215510, 450146542, 670431020, 900293084, 1125366355, 1575512897, 2250732710, 3151025794, 4501465420, 6302051588, 7877564485, 15755128970, 31510257940]

約数ペア:

[(1, 31510257940), (2, 15755128970), (4, 7877564485), (5, 6302051588), (7, 4501465420), (10, 3151025794), (14, 2250732710), (20, 1575512897), (28, 1125366355), (35, 900293084), (47, 670431020), (70, 450146542), (94, 335215510), (97, 324848020), (140, 225073271), (188, 167607755), (194, 162424010), (235, 134086204), (329, 95775860), (388, 81212005), (470, 67043102), (485, 64969604), (658, 47887930), (679, 46406860), (940, 33521551), (970, 32484802), (1316, 23943965), (1358, 23203430), (1645, 19155172), (1940, 16242401), (2716, 11601715), (3290, 9577586), (3395, 9281372), (4559, 6911660), (6580, 4788793), (6790, 4640686), (9118, 3455830), (13580, 2320343), (18236, 1727915), (22795, 1382332), (31913, 987380), (45590, 691166), (49369, 638260), (63826, 493690), (91180, 345583), (98738, 319130), (127652, 246845), (159565, 197476)]