1358593640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1\times {\mathrm{719}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 3098995200

約数和(自身を除く): 1740401560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 487, 719, 776, 970, 974, 1438, 1940, 1948, 2435, 2876, 3595, 3880, 3896, 4870, 5752, 7190, 9740, 14380, 19480, 28760, 47239, 69743, 94478, 139486, 188956, 236195, 278972, 348715, 350153, 377912, 472390, 557944, 697430, 700306, 944780, 1394860, 1400612, 1750765, 1889560, 2789720, 2801224, 3501530, 7003060, 14006120, 33964841, 67929682, 135859364, 169824205, 271718728, 339648410, 679296820, 1358593640]

約数ペア:

[(1, 1358593640), (2, 679296820), (4, 339648410), (5, 271718728), (8, 169824205), (10, 135859364), (20, 67929682), (40, 33964841), (97, 14006120), (194, 7003060), (388, 3501530), (485, 2801224), (487, 2789720), (719, 1889560), (776, 1750765), (970, 1400612), (974, 1394860), (1438, 944780), (1940, 700306), (1948, 697430), (2435, 557944), (2876, 472390), (3595, 377912), (3880, 350153), (3896, 348715), (4870, 278972), (5752, 236195), (7190, 188956), (9740, 139486), (14380, 94478), (19480, 69743), (28760, 47239)]