134598400

素因数分解:

$2^8\times 5^2\times {\mathrm{21031}}^1$

素因数の和:21057

約数の個数: 54

約数和(自身を含む): 333167912

約数和(自身を除く): 198569512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 21031, 42062, 84124, 105155, 168248, 210310, 336496, 420620, 525775, 672992, 841240, 1051550, 1345984, 1682480, 2103100, 2691968, 3364960, 4206200, 5383936, 6729920, 8412400, 13459840, 16824800, 26919680, 33649600, 67299200, 134598400]

約数ペア:

[(1, 134598400), (2, 67299200), (4, 33649600), (5, 26919680), (8, 16824800), (10, 13459840), (16, 8412400), (20, 6729920), (25, 5383936), (32, 4206200), (40, 3364960), (50, 2691968), (64, 2103100), (80, 1682480), (100, 1345984), (128, 1051550), (160, 841240), (200, 672992), (256, 525775), (320, 420620), (400, 336496), (640, 210310), (800, 168248), (1280, 105155), (1600, 84124), (3200, 42062), (6400, 21031)]