2019425560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:441

約数の個数: 128

約数和(自身を含む): 4825497600

約数和(自身を除く): 2806072040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 109, 124, 134, 155, 218, 223, 248, 268, 310, 335, 436, 446, 536, 545, 620, 670, 872, 892, 1090, 1115, 1240, 1340, 1784, 2077, 2180, 2230, 2680, 3379, 4154, 4360, 4460, 6758, 6913, 7303, 8308, 8920, 10385, 13516, 13826, 14606, 14941, 16616, 16895, 20770, 24307, 27032, 27652, 29212, 29882, 33790, 34565, 36515, 41540, 48614, 55304, 58424, 59764, 67580, 69130, 73030, 74705, 83080, 97228, 119528, 121535, 135160, 138260, 146060, 149410, 194456, 226393, 243070, 276520, 292120, 298820, 452786, 463171, 486140, 597640, 753517, 905572, 926342, 972280, 1131965, 1507034, 1628569, 1811144, 1852684, 2263930, 2315855, 3014068, 3257138, 3705368, 3767585, 4527860, 4631710, 6028136, 6514276, 7535170, 8142845, 9055720, 9263420, 13028552, 15070340, 16285690, 18526840, 30140680, 32571380, 50485639, 65142760, 100971278, 201942556, 252428195, 403885112, 504856390, 1009712780, 2019425560]

約数ペア:

[(1, 2019425560), (2, 1009712780), (4, 504856390), (5, 403885112), (8, 252428195), (10, 201942556), (20, 100971278), (31, 65142760), (40, 50485639), (62, 32571380), (67, 30140680), (109, 18526840), (124, 16285690), (134, 15070340), (155, 13028552), (218, 9263420), (223, 9055720), (248, 8142845), (268, 7535170), (310, 6514276), (335, 6028136), (436, 4631710), (446, 4527860), (536, 3767585), (545, 3705368), (620, 3257138), (670, 3014068), (872, 2315855), (892, 2263930), (1090, 1852684), (1115, 1811144), (1240, 1628569), (1340, 1507034), (1784, 1131965), (2077, 972280), (2180, 926342), (2230, 905572), (2680, 753517), (3379, 597640), (4154, 486140), (4360, 463171), (4460, 452786), (6758, 298820), (6913, 292120), (7303, 276520), (8308, 243070), (8920, 226393), (10385, 194456), (13516, 149410), (13826, 146060), (14606, 138260), (14941, 135160), (16616, 121535), (16895, 119528), (20770, 97228), (24307, 83080), (27032, 74705), (27652, 73030), (29212, 69130), (29882, 67580), (33790, 59764), (34565, 58424), (36515, 55304), (41540, 48614)]