8409400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2213}}^1$

素因数の和:2248

約数の個数: 48

約数和(自身を含む): 20590200

約数和(自身を除く): 12180800

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, 2213, 3800, 4426, 8852, 11065, 17704, 22130, 42047, 44260, 55325, 84094, 88520, 110650, 168188, 210235, 221300, 336376, 420470, 442600, 840940, 1051175, 1681880, 2102350, 4204700, 8409400]

約数ペア:

[(1, 8409400), (2, 4204700), (4, 2102350), (5, 1681880), (8, 1051175), (10, 840940), (19, 442600), (20, 420470), (25, 336376), (38, 221300), (40, 210235), (50, 168188), (76, 110650), (95, 88520), (100, 84094), (152, 55325), (190, 44260), (200, 42047), (380, 22130), (475, 17704), (760, 11065), (950, 8852), (1900, 4426), (2213, 3800)]