399824320

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:667

約数の個数: 168

約数和(自身を含む): 1135191024

約数和(自身を除く): 735366704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 64, 70, 80, 86, 98, 112, 140, 160, 172, 196, 215, 224, 245, 280, 301, 320, 344, 392, 430, 448, 490, 560, 593, 602, 688, 784, 860, 980, 1120, 1186, 1204, 1376, 1505, 1568, 1720, 1960, 2107, 2240, 2372, 2408, 2752, 2965, 3010, 3136, 3440, 3920, 4151, 4214, 4744, 4816, 5930, 6020, 6880, 7840, 8302, 8428, 9488, 9632, 10535, 11860, 12040, 13760, 15680, 16604, 16856, 18976, 19264, 20755, 21070, 23720, 24080, 25499, 29057, 33208, 33712, 37952, 41510, 42140, 47440, 48160, 50998, 58114, 66416, 67424, 83020, 84280, 94880, 96320, 101996, 116228, 127495, 132832, 134848, 145285, 166040, 168560, 178493, 189760, 203992, 232456, 254990, 265664, 290570, 332080, 337120, 356986, 407984, 464912, 509980, 581140, 664160, 674240, 713972, 815968, 892465, 929824, 1019960, 1162280, 1249451, 1328320, 1427944, 1631936, 1784930, 1859648, 2039920, 2324560, 2498902, 2855888, 3569860, 4079840, 4649120, 4997804, 5711776, 6247255, 7139720, 8159680, 9298240, 9995608, 11423552, 12494510, 14279440, 19991216, 24989020, 28558880, 39982432, 49978040, 57117760, 79964864, 99956080, 199912160, 399824320]

約数ペア:

[(1, 399824320), (2, 199912160), (4, 99956080), (5, 79964864), (7, 57117760), (8, 49978040), (10, 39982432), (14, 28558880), (16, 24989020), (20, 19991216), (28, 14279440), (32, 12494510), (35, 11423552), (40, 9995608), (43, 9298240), (49, 8159680), (56, 7139720), (64, 6247255), (70, 5711776), (80, 4997804), (86, 4649120), (98, 4079840), (112, 3569860), (140, 2855888), (160, 2498902), (172, 2324560), (196, 2039920), (215, 1859648), (224, 1784930), (245, 1631936), (280, 1427944), (301, 1328320), (320, 1249451), (344, 1162280), (392, 1019960), (430, 929824), (448, 892465), (490, 815968), (560, 713972), (593, 674240), (602, 664160), (688, 581140), (784, 509980), (860, 464912), (980, 407984), (1120, 356986), (1186, 337120), (1204, 332080), (1376, 290570), (1505, 265664), (1568, 254990), (1720, 232456), (1960, 203992), (2107, 189760), (2240, 178493), (2372, 168560), (2408, 166040), (2752, 145285), (2965, 134848), (3010, 132832), (3136, 127495), (3440, 116228), (3920, 101996), (4151, 96320), (4214, 94880), (4744, 84280), (4816, 83020), (5930, 67424), (6020, 66416), (6880, 58114), (7840, 50998), (8302, 48160), (8428, 47440), (9488, 42140), (9632, 41510), (10535, 37952), (11860, 33712), (12040, 33208), (13760, 29057), (15680, 25499), (16604, 24080), (16856, 23720), (18976, 21070), (19264, 20755)]