3538338460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{21019}}^1$

素因数の和:21490

約数の個数: 48

約数和(自身を含む): 7839619200

約数和(自身を除く): 4301280740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 443, 886, 1772, 2215, 4430, 8417, 8860, 16834, 21019, 33668, 42038, 42085, 84076, 84170, 105095, 168340, 210190, 399361, 420380, 798722, 1597444, 1996805, 3993610, 7987220, 9311417, 18622834, 37245668, 46557085, 93114170, 176916923, 186228340, 353833846, 707667692, 884584615, 1769169230, 3538338460]

約数ペア:

[(1, 3538338460), (2, 1769169230), (4, 884584615), (5, 707667692), (10, 353833846), (19, 186228340), (20, 176916923), (38, 93114170), (76, 46557085), (95, 37245668), (190, 18622834), (380, 9311417), (443, 7987220), (886, 3993610), (1772, 1996805), (2215, 1597444), (4430, 798722), (8417, 420380), (8860, 399361), (16834, 210190), (21019, 168340), (33668, 105095), (42038, 84170), (42085, 84076)]