85831900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 236984832

約数和(自身を除く): 151152932

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 71, 77, 100, 110, 140, 142, 154, 157, 175, 220, 275, 284, 308, 314, 350, 355, 385, 497, 550, 628, 700, 710, 770, 781, 785, 994, 1099, 1100, 1420, 1540, 1562, 1570, 1727, 1775, 1925, 1988, 2198, 2485, 3124, 3140, 3454, 3550, 3850, 3905, 3925, 4396, 4970, 5467, 5495, 6908, 7100, 7700, 7810, 7850, 8635, 9940, 10934, 10990, 11147, 12089, 12425, 15620, 15700, 17270, 19525, 21868, 21980, 22294, 24178, 24850, 27335, 27475, 34540, 39050, 43175, 44588, 48356, 49700, 54670, 54950, 55735, 60445, 78029, 78100, 86350, 109340, 109900, 111470, 120890, 122617, 136675, 156058, 172700, 222940, 241780, 245234, 273350, 278675, 302225, 312116, 390145, 490468, 546700, 557350, 604450, 613085, 780290, 858319, 1114700, 1208900, 1226170, 1560580, 1716638, 1950725, 2452340, 3065425, 3433276, 3901450, 4291595, 6130850, 7802900, 8583190, 12261700, 17166380, 21457975, 42915950, 85831900]

約数ペア:

[(1, 85831900), (2, 42915950), (4, 21457975), (5, 17166380), (7, 12261700), (10, 8583190), (11, 7802900), (14, 6130850), (20, 4291595), (22, 3901450), (25, 3433276), (28, 3065425), (35, 2452340), (44, 1950725), (50, 1716638), (55, 1560580), (70, 1226170), (71, 1208900), (77, 1114700), (100, 858319), (110, 780290), (140, 613085), (142, 604450), (154, 557350), (157, 546700), (175, 490468), (220, 390145), (275, 312116), (284, 302225), (308, 278675), (314, 273350), (350, 245234), (355, 241780), (385, 222940), (497, 172700), (550, 156058), (628, 136675), (700, 122617), (710, 120890), (770, 111470), (781, 109900), (785, 109340), (994, 86350), (1099, 78100), (1100, 78029), (1420, 60445), (1540, 55735), (1562, 54950), (1570, 54670), (1727, 49700), (1775, 48356), (1925, 44588), (1988, 43175), (2198, 39050), (2485, 34540), (3124, 27475), (3140, 27335), (3454, 24850), (3550, 24178), (3850, 22294), (3905, 21980), (3925, 21868), (4396, 19525), (4970, 17270), (5467, 15700), (5495, 15620), (6908, 12425), (7100, 12089), (7700, 11147), (7810, 10990), (7850, 10934), (8635, 9940)]