385032320

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:902

約数の個数: 128

約数和(自身を含む): 998490240

約数和(自身を除く): 613457920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 85, 86, 128, 136, 160, 170, 172, 215, 272, 320, 340, 344, 430, 544, 640, 680, 688, 731, 823, 860, 1088, 1360, 1376, 1462, 1646, 1720, 2176, 2720, 2752, 2924, 3292, 3440, 3655, 4115, 5440, 5504, 5848, 6584, 6880, 7310, 8230, 10880, 11696, 13168, 13760, 13991, 14620, 16460, 23392, 26336, 27520, 27982, 29240, 32920, 35389, 46784, 52672, 55964, 58480, 65840, 69955, 70778, 93568, 105344, 111928, 116960, 131680, 139910, 141556, 176945, 223856, 233920, 263360, 279820, 283112, 353890, 447712, 467840, 526720, 559640, 566224, 601613, 707780, 895424, 1119280, 1132448, 1203226, 1415560, 1790848, 2238560, 2264896, 2406452, 2831120, 3008065, 4477120, 4529792, 4812904, 5662240, 6016130, 8954240, 9625808, 11324480, 12032260, 19251616, 22648960, 24064520, 38503232, 48129040, 77006464, 96258080, 192516160, 385032320]

約数ペア:

[(1, 385032320), (2, 192516160), (4, 96258080), (5, 77006464), (8, 48129040), (10, 38503232), (16, 24064520), (17, 22648960), (20, 19251616), (32, 12032260), (34, 11324480), (40, 9625808), (43, 8954240), (64, 6016130), (68, 5662240), (80, 4812904), (85, 4529792), (86, 4477120), (128, 3008065), (136, 2831120), (160, 2406452), (170, 2264896), (172, 2238560), (215, 1790848), (272, 1415560), (320, 1203226), (340, 1132448), (344, 1119280), (430, 895424), (544, 707780), (640, 601613), (680, 566224), (688, 559640), (731, 526720), (823, 467840), (860, 447712), (1088, 353890), (1360, 283112), (1376, 279820), (1462, 263360), (1646, 233920), (1720, 223856), (2176, 176945), (2720, 141556), (2752, 139910), (2924, 131680), (3292, 116960), (3440, 111928), (3655, 105344), (4115, 93568), (5440, 70778), (5504, 69955), (5848, 65840), (6584, 58480), (6880, 55964), (7310, 52672), (8230, 46784), (10880, 35389), (11696, 32920), (13168, 29240), (13760, 27982), (13991, 27520), (14620, 26336), (16460, 23392)]