128797400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 311698800

約数和(自身を除く): 182901400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 113, 139, 164, 200, 205, 226, 278, 328, 410, 452, 556, 565, 695, 820, 904, 1025, 1112, 1130, 1390, 1640, 2050, 2260, 2780, 2825, 3475, 4100, 4520, 4633, 5560, 5650, 5699, 6950, 8200, 9266, 11300, 11398, 13900, 15707, 18532, 22600, 22796, 23165, 27800, 28495, 31414, 37064, 45592, 46330, 56990, 62828, 78535, 92660, 113980, 115825, 125656, 142475, 157070, 185320, 227960, 231650, 284950, 314140, 392675, 463300, 569900, 628280, 643987, 785350, 926600, 1139800, 1287974, 1570700, 2575948, 3141400, 3219935, 5151896, 6439870, 12879740, 16099675, 25759480, 32199350, 64398700, 128797400]

約数ペア:

[(1, 128797400), (2, 64398700), (4, 32199350), (5, 25759480), (8, 16099675), (10, 12879740), (20, 6439870), (25, 5151896), (40, 3219935), (41, 3141400), (50, 2575948), (82, 1570700), (100, 1287974), (113, 1139800), (139, 926600), (164, 785350), (200, 643987), (205, 628280), (226, 569900), (278, 463300), (328, 392675), (410, 314140), (452, 284950), (556, 231650), (565, 227960), (695, 185320), (820, 157070), (904, 142475), (1025, 125656), (1112, 115825), (1130, 113980), (1390, 92660), (1640, 78535), (2050, 62828), (2260, 56990), (2780, 46330), (2825, 45592), (3475, 37064), (4100, 31414), (4520, 28495), (4633, 27800), (5560, 23165), (5650, 22796), (5699, 22600), (6950, 18532), (8200, 15707), (9266, 13900), (11300, 11398)]