209399680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1156

約数の個数: 128

約数和(自身を含む): 585953280

約数和(自身を除く): 376553600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 215, 224, 280, 301, 320, 344, 430, 448, 560, 602, 640, 688, 860, 896, 1087, 1120, 1204, 1376, 1505, 1720, 2174, 2240, 2408, 2752, 3010, 3440, 4348, 4480, 4816, 5435, 5504, 6020, 6880, 7609, 8696, 9632, 10870, 12040, 13760, 15218, 17392, 19264, 21740, 24080, 27520, 30436, 34784, 38045, 38528, 43480, 46741, 48160, 60872, 69568, 76090, 86960, 93482, 96320, 121744, 139136, 152180, 173920, 186964, 192640, 233705, 243488, 304360, 327187, 347840, 373928, 467410, 486976, 608720, 654374, 695680, 747856, 934820, 973952, 1217440, 1308748, 1495712, 1635935, 1869640, 2434880, 2617496, 2991424, 3271870, 3739280, 4869760, 5234992, 5982848, 6543740, 7478560, 10469984, 13087480, 14957120, 20939968, 26174960, 29914240, 41879936, 52349920, 104699840, 209399680]

約数ペア:

[(1, 209399680), (2, 104699840), (4, 52349920), (5, 41879936), (7, 29914240), (8, 26174960), (10, 20939968), (14, 14957120), (16, 13087480), (20, 10469984), (28, 7478560), (32, 6543740), (35, 5982848), (40, 5234992), (43, 4869760), (56, 3739280), (64, 3271870), (70, 2991424), (80, 2617496), (86, 2434880), (112, 1869640), (128, 1635935), (140, 1495712), (160, 1308748), (172, 1217440), (215, 973952), (224, 934820), (280, 747856), (301, 695680), (320, 654374), (344, 608720), (430, 486976), (448, 467410), (560, 373928), (602, 347840), (640, 327187), (688, 304360), (860, 243488), (896, 233705), (1087, 192640), (1120, 186964), (1204, 173920), (1376, 152180), (1505, 139136), (1720, 121744), (2174, 96320), (2240, 93482), (2408, 86960), (2752, 76090), (3010, 69568), (3440, 60872), (4348, 48160), (4480, 46741), (4816, 43480), (5435, 38528), (5504, 38045), (6020, 34784), (6880, 30436), (7609, 27520), (8696, 24080), (9632, 21740), (10870, 19264), (12040, 17392), (13760, 15218)]