391595840

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:400

約数の個数: 112

約数和(自身を含む): 965606400

約数和(自身を除く): 574010560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 149, 160, 172, 191, 215, 298, 320, 344, 382, 430, 596, 688, 745, 764, 860, 955, 1192, 1376, 1490, 1528, 1720, 1910, 2384, 2752, 2980, 3056, 3440, 3820, 4768, 5960, 6112, 6407, 6880, 7640, 8213, 9536, 11920, 12224, 12814, 13760, 15280, 16426, 23840, 25628, 28459, 30560, 32035, 32852, 41065, 47680, 51256, 56918, 61120, 64070, 65704, 82130, 102512, 113836, 128140, 131408, 142295, 164260, 205024, 227672, 256280, 262816, 284590, 328520, 410048, 455344, 512560, 525632, 569180, 657040, 910688, 1025120, 1138360, 1223737, 1314080, 1821376, 2050240, 2276720, 2447474, 2628160, 4553440, 4894948, 6118685, 9106880, 9789896, 12237370, 19579792, 24474740, 39159584, 48949480, 78319168, 97898960, 195797920, 391595840]

約数ペア:

[(1, 391595840), (2, 195797920), (4, 97898960), (5, 78319168), (8, 48949480), (10, 39159584), (16, 24474740), (20, 19579792), (32, 12237370), (40, 9789896), (43, 9106880), (64, 6118685), (80, 4894948), (86, 4553440), (149, 2628160), (160, 2447474), (172, 2276720), (191, 2050240), (215, 1821376), (298, 1314080), (320, 1223737), (344, 1138360), (382, 1025120), (430, 910688), (596, 657040), (688, 569180), (745, 525632), (764, 512560), (860, 455344), (955, 410048), (1192, 328520), (1376, 284590), (1490, 262816), (1528, 256280), (1720, 227672), (1910, 205024), (2384, 164260), (2752, 142295), (2980, 131408), (3056, 128140), (3440, 113836), (3820, 102512), (4768, 82130), (5960, 65704), (6112, 64070), (6407, 61120), (6880, 56918), (7640, 51256), (8213, 47680), (9536, 41065), (11920, 32852), (12224, 32035), (12814, 30560), (13760, 28459), (15280, 25628), (16426, 23840)]