2921000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 7188480

約数和(自身を除く): 4267480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 127, 184, 200, 230, 250, 254, 460, 500, 508, 575, 635, 920, 1000, 1016, 1150, 1270, 2300, 2540, 2875, 2921, 3175, 4600, 5080, 5750, 5842, 6350, 11500, 11684, 12700, 14605, 15875, 23000, 23368, 25400, 29210, 31750, 58420, 63500, 73025, 116840, 127000, 146050, 292100, 365125, 584200, 730250, 1460500, 2921000]

約数ペア:

[(1, 2921000), (2, 1460500), (4, 730250), (5, 584200), (8, 365125), (10, 292100), (20, 146050), (23, 127000), (25, 116840), (40, 73025), (46, 63500), (50, 58420), (92, 31750), (100, 29210), (115, 25400), (125, 23368), (127, 23000), (184, 15875), (200, 14605), (230, 12700), (250, 11684), (254, 11500), (460, 6350), (500, 5842), (508, 5750), (575, 5080), (635, 4600), (920, 3175), (1000, 2921), (1016, 2875), (1150, 2540), (1270, 2300)]