78823640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1429}}^1$

素因数の和:1644

約数の個数: 64

約数和(自身を含む): 203860800

約数和(自身を除く): 125037160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1429, 1576, 1970, 2758, 2858, 3940, 5516, 5716, 6895, 7145, 7880, 10003, 11032, 11432, 13790, 14290, 20006, 27580, 28580, 40012, 50015, 55160, 57160, 80024, 100030, 200060, 281513, 400120, 563026, 1126052, 1407565, 1970591, 2252104, 2815130, 3941182, 5630260, 7882364, 9852955, 11260520, 15764728, 19705910, 39411820, 78823640]

約数ペア:

[(1, 78823640), (2, 39411820), (4, 19705910), (5, 15764728), (7, 11260520), (8, 9852955), (10, 7882364), (14, 5630260), (20, 3941182), (28, 2815130), (35, 2252104), (40, 1970591), (56, 1407565), (70, 1126052), (140, 563026), (197, 400120), (280, 281513), (394, 200060), (788, 100030), (985, 80024), (1379, 57160), (1429, 55160), (1576, 50015), (1970, 40012), (2758, 28580), (2858, 27580), (3940, 20006), (5516, 14290), (5716, 13790), (6895, 11432), (7145, 11032), (7880, 10003)]