30913000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1627}}^1$

素因数の和:1667

約数の個数: 64

約数和(自身を含む): 76190400

約数和(自身を除く): 45277400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1627, 1900, 2375, 3254, 3800, 4750, 6508, 8135, 9500, 13016, 16270, 19000, 30913, 32540, 40675, 61826, 65080, 81350, 123652, 154565, 162700, 203375, 247304, 309130, 325400, 406750, 618260, 772825, 813500, 1236520, 1545650, 1627000, 3091300, 3864125, 6182600, 7728250, 15456500, 30913000]

約数ペア:

[(1, 30913000), (2, 15456500), (4, 7728250), (5, 6182600), (8, 3864125), (10, 3091300), (19, 1627000), (20, 1545650), (25, 1236520), (38, 813500), (40, 772825), (50, 618260), (76, 406750), (95, 325400), (100, 309130), (125, 247304), (152, 203375), (190, 162700), (200, 154565), (250, 123652), (380, 81350), (475, 65080), (500, 61826), (760, 40675), (950, 32540), (1000, 30913), (1627, 19000), (1900, 16270), (2375, 13016), (3254, 9500), (3800, 8135), (4750, 6508)]