2179984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 4553280

約数和(自身を除く): 2373296

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 101, 142, 152, 202, 284, 304, 404, 568, 808, 1136, 1349, 1616, 1919, 2698, 3838, 5396, 7171, 7676, 10792, 14342, 15352, 21584, 28684, 30704, 57368, 114736, 136249, 272498, 544996, 1089992, 2179984]

約数ペア:

[(1, 2179984), (2, 1089992), (4, 544996), (8, 272498), (16, 136249), (19, 114736), (38, 57368), (71, 30704), (76, 28684), (101, 21584), (142, 15352), (152, 14342), (202, 10792), (284, 7676), (304, 7171), (404, 5396), (568, 3838), (808, 2698), (1136, 1919), (1349, 1616)]