388618880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3593}}^1$

素因数の和:3638

約数の個数: 96

約数和(自身を含む): 1006284060

約数和(自身を除く): 617665180

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 260, 320, 338, 416, 520, 640, 676, 832, 845, 1040, 1352, 1664, 1690, 2080, 2704, 3380, 3593, 4160, 5408, 6760, 7186, 8320, 10816, 13520, 14372, 17965, 21632, 27040, 28744, 35930, 46709, 54080, 57488, 71860, 93418, 108160, 114976, 143720, 186836, 229952, 233545, 287440, 373672, 459904, 467090, 574880, 607217, 747344, 934180, 1149760, 1214434, 1494688, 1868360, 2299520, 2428868, 2989376, 3036085, 3736720, 4857736, 5978752, 6072170, 7473440, 9715472, 12144340, 14946880, 19430944, 24288680, 29893760, 38861888, 48577360, 77723776, 97154720, 194309440, 388618880]

約数ペア:

[(1, 388618880), (2, 194309440), (4, 97154720), (5, 77723776), (8, 48577360), (10, 38861888), (13, 29893760), (16, 24288680), (20, 19430944), (26, 14946880), (32, 12144340), (40, 9715472), (52, 7473440), (64, 6072170), (65, 5978752), (80, 4857736), (104, 3736720), (128, 3036085), (130, 2989376), (160, 2428868), (169, 2299520), (208, 1868360), (260, 1494688), (320, 1214434), (338, 1149760), (416, 934180), (520, 747344), (640, 607217), (676, 574880), (832, 467090), (845, 459904), (1040, 373672), (1352, 287440), (1664, 233545), (1690, 229952), (2080, 186836), (2704, 143720), (3380, 114976), (3593, 108160), (4160, 93418), (5408, 71860), (6760, 57488), (7186, 54080), (8320, 46709), (10816, 35930), (13520, 28744), (14372, 27040), (17965, 21632)]