17141420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 38438400

約数和(自身を除く): 21296980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 571, 790, 1142, 1501, 1580, 2284, 2855, 3002, 5710, 6004, 7505, 10849, 11420, 15010, 21698, 30020, 43396, 45109, 54245, 90218, 108490, 180436, 216980, 225545, 451090, 857071, 902180, 1714142, 3428284, 4285355, 8570710, 17141420]

約数ペア:

[(1, 17141420), (2, 8570710), (4, 4285355), (5, 3428284), (10, 1714142), (19, 902180), (20, 857071), (38, 451090), (76, 225545), (79, 216980), (95, 180436), (158, 108490), (190, 90218), (316, 54245), (380, 45109), (395, 43396), (571, 30020), (790, 21698), (1142, 15010), (1501, 11420), (1580, 10849), (2284, 7505), (2855, 6004), (3002, 5710)]