985381120

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17903}}^1$

素因数の和:17967

約数の個数: 72

約数和(自身を含む): 2415321216

約数和(自身を除く): 1429940096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1280, 1376, 1720, 2752, 3440, 5504, 6880, 11008, 13760, 17903, 27520, 35806, 55040, 71612, 89515, 143224, 179030, 286448, 358060, 572896, 716120, 769829, 1145792, 1432240, 1539658, 2291584, 2864480, 3079316, 3849145, 4583168, 5728960, 6158632, 7698290, 11457920, 12317264, 15396580, 22915840, 24634528, 30793160, 49269056, 61586320, 98538112, 123172640, 197076224, 246345280, 492690560, 985381120]

約数ペア:

[(1, 985381120), (2, 492690560), (4, 246345280), (5, 197076224), (8, 123172640), (10, 98538112), (16, 61586320), (20, 49269056), (32, 30793160), (40, 24634528), (43, 22915840), (64, 15396580), (80, 12317264), (86, 11457920), (128, 7698290), (160, 6158632), (172, 5728960), (215, 4583168), (256, 3849145), (320, 3079316), (344, 2864480), (430, 2291584), (640, 1539658), (688, 1432240), (860, 1145792), (1280, 769829), (1376, 716120), (1720, 572896), (2752, 358060), (3440, 286448), (5504, 179030), (6880, 143224), (11008, 89515), (13760, 71612), (17903, 55040), (27520, 35806)]