1397156780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{479}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 3135283200

約数和(自身を除く): 1738126420

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 107, 116, 145, 188, 214, 235, 290, 428, 470, 479, 535, 580, 940, 958, 1070, 1363, 1916, 2140, 2395, 2726, 3103, 4790, 5029, 5452, 6206, 6815, 9580, 10058, 12412, 13630, 13891, 15515, 20116, 22513, 25145, 27260, 27782, 31030, 45026, 50290, 51253, 55564, 62060, 69455, 90052, 100580, 102506, 112565, 138910, 145841, 205012, 225130, 256265, 277820, 291682, 450260, 512530, 583364, 652877, 729205, 1025060, 1305754, 1458410, 1486337, 2408891, 2611508, 2916820, 2972674, 3264385, 4817782, 5945348, 6528770, 7431685, 9635564, 12044455, 13057540, 14863370, 24088910, 29726740, 48177820, 69857839, 139715678, 279431356, 349289195, 698578390, 1397156780]

約数ペア:

[(1, 1397156780), (2, 698578390), (4, 349289195), (5, 279431356), (10, 139715678), (20, 69857839), (29, 48177820), (47, 29726740), (58, 24088910), (94, 14863370), (107, 13057540), (116, 12044455), (145, 9635564), (188, 7431685), (214, 6528770), (235, 5945348), (290, 4817782), (428, 3264385), (470, 2972674), (479, 2916820), (535, 2611508), (580, 2408891), (940, 1486337), (958, 1458410), (1070, 1305754), (1363, 1025060), (1916, 729205), (2140, 652877), (2395, 583364), (2726, 512530), (3103, 450260), (4790, 291682), (5029, 277820), (5452, 256265), (6206, 225130), (6815, 205012), (9580, 145841), (10058, 138910), (12412, 112565), (13630, 102506), (13891, 100580), (15515, 90052), (20116, 69455), (22513, 62060), (25145, 55564), (27260, 51253), (27782, 50290), (31030, 45026)]