278300872760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4721}}^1\times {\mathrm{34273}}^1$

素因数の和:39048

約数の個数: 64

約数和(自身を含む): 640893638880

約数和(自身を除く): 362592766120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4721, 9442, 18884, 23605, 34273, 37768, 47210, 68546, 94420, 137092, 171365, 188840, 203003, 274184, 342730, 406006, 685460, 812012, 1015015, 1370920, 1473739, 1624024, 2030030, 2947478, 4060060, 5894956, 7368695, 8120120, 11789912, 14737390, 29474780, 58949560, 161802833, 323605666, 647211332, 809014165, 1294422664, 1618028330, 3236056660, 6472113320, 6957521819, 13915043638, 27830087276, 34787609095, 55660174552, 69575218190, 139150436380, 278300872760]

約数ペア:

[(1, 278300872760), (2, 139150436380), (4, 69575218190), (5, 55660174552), (8, 34787609095), (10, 27830087276), (20, 13915043638), (40, 6957521819), (43, 6472113320), (86, 3236056660), (172, 1618028330), (215, 1294422664), (344, 809014165), (430, 647211332), (860, 323605666), (1720, 161802833), (4721, 58949560), (9442, 29474780), (18884, 14737390), (23605, 11789912), (34273, 8120120), (37768, 7368695), (47210, 5894956), (68546, 4060060), (94420, 2947478), (137092, 2030030), (171365, 1624024), (188840, 1473739), (203003, 1370920), (274184, 1015015), (342730, 812012), (406006, 685460)]