201997960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2467}}^1$

素因数の和:2590

約数の個数: 64

約数和(自身を含む): 479779200

約数和(自身を除く): 277781240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 890, 920, 1780, 2047, 2467, 3560, 4094, 4934, 8188, 9868, 10235, 12335, 16376, 19736, 20470, 24670, 40940, 49340, 56741, 81880, 98680, 113482, 219563, 226964, 283705, 439126, 453928, 567410, 878252, 1097815, 1134820, 1756504, 2195630, 2269640, 4391260, 5049949, 8782520, 10099898, 20199796, 25249745, 40399592, 50499490, 100998980, 201997960]

約数ペア:

[(1, 201997960), (2, 100998980), (4, 50499490), (5, 40399592), (8, 25249745), (10, 20199796), (20, 10099898), (23, 8782520), (40, 5049949), (46, 4391260), (89, 2269640), (92, 2195630), (115, 1756504), (178, 1134820), (184, 1097815), (230, 878252), (356, 567410), (445, 453928), (460, 439126), (712, 283705), (890, 226964), (920, 219563), (1780, 113482), (2047, 98680), (2467, 81880), (3560, 56741), (4094, 49340), (4934, 40940), (8188, 24670), (9868, 20470), (10235, 19736), (12335, 16376)]