338235340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{593}}^1$

素因数の和:719

約数の個数: 72

約数和(自身を含む): 760415040

約数和(自身を除く): 422179700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 361, 380, 395, 593, 722, 790, 1186, 1444, 1501, 1580, 1805, 2372, 2965, 3002, 3610, 5930, 6004, 7220, 7505, 11267, 11860, 15010, 22534, 28519, 30020, 45068, 46847, 56335, 57038, 93694, 112670, 114076, 142595, 187388, 214073, 225340, 234235, 285190, 428146, 468470, 570380, 856292, 890093, 936940, 1070365, 1780186, 2140730, 3560372, 4281460, 4450465, 8900930, 16911767, 17801860, 33823534, 67647068, 84558835, 169117670, 338235340]

約数ペア:

[(1, 338235340), (2, 169117670), (4, 84558835), (5, 67647068), (10, 33823534), (19, 17801860), (20, 16911767), (38, 8900930), (76, 4450465), (79, 4281460), (95, 3560372), (158, 2140730), (190, 1780186), (316, 1070365), (361, 936940), (380, 890093), (395, 856292), (593, 570380), (722, 468470), (790, 428146), (1186, 285190), (1444, 234235), (1501, 225340), (1580, 214073), (1805, 187388), (2372, 142595), (2965, 114076), (3002, 112670), (3610, 93694), (5930, 57038), (6004, 56335), (7220, 46847), (7505, 45068), (11267, 30020), (11860, 28519), (15010, 22534)]