201306280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{1277}}^1$

素因数の和:1858

約数の個数: 64

約数和(自身を含む): 518970240

約数和(自身を除く): 317663960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 563, 1126, 1277, 2252, 2554, 2815, 3941, 4504, 5108, 5630, 6385, 7882, 8939, 10216, 11260, 12770, 15764, 17878, 19705, 22520, 25540, 31528, 35756, 39410, 44695, 51080, 71512, 78820, 89390, 157640, 178780, 357560, 718951, 1437902, 2875804, 3594755, 5032657, 5751608, 7189510, 10065314, 14379020, 20130628, 25163285, 28758040, 40261256, 50326570, 100653140, 201306280]

約数ペア:

[(1, 201306280), (2, 100653140), (4, 50326570), (5, 40261256), (7, 28758040), (8, 25163285), (10, 20130628), (14, 14379020), (20, 10065314), (28, 7189510), (35, 5751608), (40, 5032657), (56, 3594755), (70, 2875804), (140, 1437902), (280, 718951), (563, 357560), (1126, 178780), (1277, 157640), (2252, 89390), (2554, 78820), (2815, 71512), (3941, 51080), (4504, 44695), (5108, 39410), (5630, 35756), (6385, 31528), (7882, 25540), (8939, 22520), (10216, 19705), (11260, 17878), (12770, 15764)]