291226740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{693397}}^1$

素因数の和:693416

約数の個数: 48

約数和(自身を含む): 931926912

約数和(自身を除く): 640700172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 693397, 1386794, 2080191, 2773588, 3466985, 4160382, 4853779, 6933970, 8320764, 9707558, 10400955, 13867940, 14561337, 19415116, 20801910, 24268895, 29122674, 41603820, 48537790, 58245348, 72806685, 97075580, 145613370, 291226740]

約数ペア:

[(1, 291226740), (2, 145613370), (3, 97075580), (4, 72806685), (5, 58245348), (6, 48537790), (7, 41603820), (10, 29122674), (12, 24268895), (14, 20801910), (15, 19415116), (20, 14561337), (21, 13867940), (28, 10400955), (30, 9707558), (35, 8320764), (42, 6933970), (60, 4853779), (70, 4160382), (84, 3466985), (105, 2773588), (140, 2080191), (210, 1386794), (420, 693397)]