3640400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:516

約数の個数: 60

約数和(自身を含む): 9225600

約数和(自身を除く): 5585200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 479, 760, 950, 958, 1520, 1900, 1916, 2395, 3800, 3832, 4790, 7600, 7664, 9101, 9580, 11975, 18202, 19160, 23950, 36404, 38320, 45505, 47900, 72808, 91010, 95800, 145616, 182020, 191600, 227525, 364040, 455050, 728080, 910100, 1820200, 3640400]

約数ペア:

[(1, 3640400), (2, 1820200), (4, 910100), (5, 728080), (8, 455050), (10, 364040), (16, 227525), (19, 191600), (20, 182020), (25, 145616), (38, 95800), (40, 91010), (50, 72808), (76, 47900), (80, 45505), (95, 38320), (100, 36404), (152, 23950), (190, 19160), (200, 18202), (304, 11975), (380, 9580), (400, 9101), (475, 7664), (479, 7600), (760, 4790), (950, 3832), (958, 3800), (1520, 2395), (1900, 1916)]