389991408

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1759}}^1$

素因数の和:1950

約数の個数: 80

約数和(自身を含む): 1047552000

約数和(自身を除く): 657560592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 149, 186, 248, 298, 372, 447, 496, 596, 744, 894, 1192, 1488, 1759, 1788, 2384, 3518, 3576, 4619, 5277, 7036, 7152, 9238, 10554, 13857, 14072, 18476, 21108, 27714, 28144, 36952, 42216, 54529, 55428, 73904, 84432, 109058, 110856, 163587, 218116, 221712, 262091, 327174, 436232, 524182, 654348, 786273, 872464, 1048364, 1308696, 1572546, 2096728, 2617392, 3145092, 4193456, 6290184, 8124821, 12580368, 16249642, 24374463, 32499284, 48748926, 64998568, 97497852, 129997136, 194995704, 389991408]

約数ペア:

[(1, 389991408), (2, 194995704), (3, 129997136), (4, 97497852), (6, 64998568), (8, 48748926), (12, 32499284), (16, 24374463), (24, 16249642), (31, 12580368), (48, 8124821), (62, 6290184), (93, 4193456), (124, 3145092), (149, 2617392), (186, 2096728), (248, 1572546), (298, 1308696), (372, 1048364), (447, 872464), (496, 786273), (596, 654348), (744, 524182), (894, 436232), (1192, 327174), (1488, 262091), (1759, 221712), (1788, 218116), (2384, 163587), (3518, 110856), (3576, 109058), (4619, 84432), (5277, 73904), (7036, 55428), (7152, 54529), (9238, 42216), (10554, 36952), (13857, 28144), (14072, 27714), (18476, 21108)]