390506456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 798336000

約数和(自身を除く): 407829544

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 199, 307, 376, 398, 614, 796, 799, 1228, 1592, 1598, 2456, 3196, 3383, 5219, 6392, 6766, 9353, 10438, 13532, 14429, 18706, 20876, 27064, 28858, 37412, 41752, 57716, 61093, 74824, 115432, 122186, 159001, 244372, 245293, 318002, 488744, 490586, 636004, 981172, 1038581, 1272008, 1962344, 2077162, 2871371, 4154324, 5742742, 8308648, 11485484, 22970968, 48813307, 97626614, 195253228, 390506456]

約数ペア:

[(1, 390506456), (2, 195253228), (4, 97626614), (8, 48813307), (17, 22970968), (34, 11485484), (47, 8308648), (68, 5742742), (94, 4154324), (136, 2871371), (188, 2077162), (199, 1962344), (307, 1272008), (376, 1038581), (398, 981172), (614, 636004), (796, 490586), (799, 488744), (1228, 318002), (1592, 245293), (1598, 244372), (2456, 159001), (3196, 122186), (3383, 115432), (5219, 74824), (6392, 61093), (6766, 57716), (9353, 41752), (10438, 37412), (13532, 28858), (14429, 27064), (18706, 20876)]