138830360

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 318816000

約数和(自身を除く): 179985640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 163, 199, 214, 326, 398, 428, 535, 652, 796, 815, 856, 995, 1070, 1304, 1592, 1630, 1990, 2140, 3260, 3980, 4280, 6520, 7960, 17441, 21293, 32437, 34882, 42586, 64874, 69764, 85172, 87205, 106465, 129748, 139528, 162185, 170344, 174410, 212930, 259496, 324370, 348820, 425860, 648740, 697640, 851720, 1297480, 3470759, 6941518, 13883036, 17353795, 27766072, 34707590, 69415180, 138830360]

約数ペア:

[(1, 138830360), (2, 69415180), (4, 34707590), (5, 27766072), (8, 17353795), (10, 13883036), (20, 6941518), (40, 3470759), (107, 1297480), (163, 851720), (199, 697640), (214, 648740), (326, 425860), (398, 348820), (428, 324370), (535, 259496), (652, 212930), (796, 174410), (815, 170344), (856, 162185), (995, 139528), (1070, 129748), (1304, 106465), (1592, 87205), (1630, 85172), (1990, 69764), (2140, 64874), (3260, 42586), (3980, 34882), (4280, 32437), (6520, 21293), (7960, 17441)]