497354080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:752

約数の個数: 96

約数和(自身を含む): 1221454080

約数和(自身を除く): 724100000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 197, 248, 310, 394, 496, 509, 620, 788, 985, 992, 1018, 1240, 1576, 1970, 2036, 2480, 2545, 3152, 3940, 4072, 4960, 5090, 6107, 6304, 7880, 8144, 10180, 12214, 15760, 15779, 16288, 20360, 24428, 30535, 31520, 31558, 40720, 48856, 61070, 63116, 78895, 81440, 97712, 100273, 122140, 126232, 157790, 195424, 200546, 244280, 252464, 315580, 401092, 488560, 501365, 504928, 631160, 802184, 977120, 1002730, 1262320, 1604368, 2005460, 2524640, 3108463, 3208736, 4010920, 6216926, 8021840, 12433852, 15542315, 16043680, 24867704, 31084630, 49735408, 62169260, 99470816, 124338520, 248677040, 497354080]

約数ペア:

[(1, 497354080), (2, 248677040), (4, 124338520), (5, 99470816), (8, 62169260), (10, 49735408), (16, 31084630), (20, 24867704), (31, 16043680), (32, 15542315), (40, 12433852), (62, 8021840), (80, 6216926), (124, 4010920), (155, 3208736), (160, 3108463), (197, 2524640), (248, 2005460), (310, 1604368), (394, 1262320), (496, 1002730), (509, 977120), (620, 802184), (788, 631160), (985, 504928), (992, 501365), (1018, 488560), (1240, 401092), (1576, 315580), (1970, 252464), (2036, 244280), (2480, 200546), (2545, 195424), (3152, 157790), (3940, 126232), (4072, 122140), (4960, 100273), (5090, 97712), (6107, 81440), (6304, 78895), (7880, 63116), (8144, 61070), (10180, 48856), (12214, 40720), (15760, 31558), (15779, 31520), (16288, 30535), (20360, 24428)]