248296440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{295591}}^1$

素因数の和:295612

約数の個数: 64

約数和(自身を含む): 851304960

約数和(自身を除く): 603008520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 295591, 591182, 886773, 1182364, 1477955, 1773546, 2069137, 2364728, 2955910, 3547092, 4138274, 4433865, 5911820, 6207411, 7094184, 8276548, 8867730, 10345685, 11823640, 12414822, 16553096, 17735460, 20691370, 24829644, 31037055, 35470920, 41382740, 49659288, 62074110, 82765480, 124148220, 248296440]

約数ペア:

[(1, 248296440), (2, 124148220), (3, 82765480), (4, 62074110), (5, 49659288), (6, 41382740), (7, 35470920), (8, 31037055), (10, 24829644), (12, 20691370), (14, 17735460), (15, 16553096), (20, 12414822), (21, 11823640), (24, 10345685), (28, 8867730), (30, 8276548), (35, 7094184), (40, 6207411), (42, 5911820), (56, 4433865), (60, 4138274), (70, 3547092), (84, 2955910), (105, 2364728), (120, 2069137), (140, 1773546), (168, 1477955), (210, 1182364), (280, 886773), (420, 591182), (840, 295591)]