490546520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{839}}^1$

素因数の和:1208

約数の個数: 64

約数和(自身を含む): 1132185600

約数和(自身を除く): 641639080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 311, 376, 470, 622, 839, 940, 1244, 1555, 1678, 1880, 2488, 3110, 3356, 4195, 6220, 6712, 8390, 12440, 14617, 16780, 29234, 33560, 39433, 58468, 73085, 78866, 116936, 146170, 157732, 197165, 260929, 292340, 315464, 394330, 521858, 584680, 788660, 1043716, 1304645, 1577320, 2087432, 2609290, 5218580, 10437160, 12263663, 24527326, 49054652, 61318315, 98109304, 122636630, 245273260, 490546520]

約数ペア:

[(1, 490546520), (2, 245273260), (4, 122636630), (5, 98109304), (8, 61318315), (10, 49054652), (20, 24527326), (40, 12263663), (47, 10437160), (94, 5218580), (188, 2609290), (235, 2087432), (311, 1577320), (376, 1304645), (470, 1043716), (622, 788660), (839, 584680), (940, 521858), (1244, 394330), (1555, 315464), (1678, 292340), (1880, 260929), (2488, 197165), (3110, 157732), (3356, 146170), (4195, 116936), (6220, 78866), (6712, 73085), (8390, 58468), (12440, 39433), (14617, 33560), (16780, 29234)]