208653760

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{1901}}^1$

素因数の和:1939

約数の個数: 112

約数和(自身を含む): 579729600

約数和(自身を除く): 371075840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 686, 784, 980, 1120, 1372, 1568, 1715, 1901, 1960, 2240, 2744, 3136, 3430, 3802, 3920, 5488, 6860, 7604, 7840, 9505, 10976, 13307, 13720, 15208, 15680, 19010, 21952, 26614, 27440, 30416, 38020, 53228, 54880, 60832, 66535, 76040, 93149, 106456, 109760, 121664, 133070, 152080, 186298, 212912, 266140, 304160, 372596, 425824, 465745, 532280, 608320, 652043, 745192, 851648, 931490, 1064560, 1304086, 1490384, 1862980, 2129120, 2608172, 2980768, 3260215, 3725960, 4258240, 5216344, 5961536, 6520430, 7451920, 10432688, 13040860, 14903840, 20865376, 26081720, 29807680, 41730752, 52163440, 104326880, 208653760]

約数ペア:

[(1, 208653760), (2, 104326880), (4, 52163440), (5, 41730752), (7, 29807680), (8, 26081720), (10, 20865376), (14, 14903840), (16, 13040860), (20, 10432688), (28, 7451920), (32, 6520430), (35, 5961536), (40, 5216344), (49, 4258240), (56, 3725960), (64, 3260215), (70, 2980768), (80, 2608172), (98, 2129120), (112, 1862980), (140, 1490384), (160, 1304086), (196, 1064560), (224, 931490), (245, 851648), (280, 745192), (320, 652043), (343, 608320), (392, 532280), (448, 465745), (490, 425824), (560, 372596), (686, 304160), (784, 266140), (980, 212912), (1120, 186298), (1372, 152080), (1568, 133070), (1715, 121664), (1901, 109760), (1960, 106456), (2240, 93149), (2744, 76040), (3136, 66535), (3430, 60832), (3802, 54880), (3920, 53228), (5488, 38020), (6860, 30416), (7604, 27440), (7840, 26614), (9505, 21952), (10976, 19010), (13307, 15680), (13720, 15208)]