31239800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{8221}}^1$

素因数の和:8256

約数の個数: 48

約数和(自身を含む): 76464600

約数和(自身を除く): 45224800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 8221, 16442, 32884, 41105, 65768, 82210, 156199, 164420, 205525, 312398, 328840, 411050, 624796, 780995, 822100, 1249592, 1561990, 1644200, 3123980, 3904975, 6247960, 7809950, 15619900, 31239800]

約数ペア:

[(1, 31239800), (2, 15619900), (4, 7809950), (5, 6247960), (8, 3904975), (10, 3123980), (19, 1644200), (20, 1561990), (25, 1249592), (38, 822100), (40, 780995), (50, 624796), (76, 411050), (95, 328840), (100, 312398), (152, 205525), (190, 164420), (200, 156199), (380, 82210), (475, 65768), (760, 41105), (950, 32884), (1900, 16442), (3800, 8221)]