398188850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{883}}^1$

素因数の和:1235

約数の個数: 48

約数和(自身を含む): 769504320

約数和(自身を除く): 371315470

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 311, 622, 725, 883, 1450, 1555, 1766, 3110, 4415, 7775, 8830, 9019, 15550, 18038, 22075, 25607, 44150, 45095, 51214, 90190, 128035, 225475, 256070, 274613, 450950, 549226, 640175, 1280350, 1373065, 2746130, 6865325, 7963777, 13730650, 15927554, 39818885, 79637770, 199094425, 398188850]

約数ペア:

[(1, 398188850), (2, 199094425), (5, 79637770), (10, 39818885), (25, 15927554), (29, 13730650), (50, 7963777), (58, 6865325), (145, 2746130), (290, 1373065), (311, 1280350), (622, 640175), (725, 549226), (883, 450950), (1450, 274613), (1555, 256070), (1766, 225475), (3110, 128035), (4415, 90190), (7775, 51214), (8830, 45095), (9019, 44150), (15550, 25607), (18038, 22075)]