4000650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 10044000

約数和(自身を除く): 6043350

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 149, 150, 179, 298, 358, 447, 537, 745, 894, 895, 1074, 1490, 1790, 2235, 2685, 3725, 4470, 4475, 5370, 7450, 8950, 11175, 13425, 22350, 26671, 26850, 53342, 80013, 133355, 160026, 266710, 400065, 666775, 800130, 1333550, 2000325, 4000650]

約数ペア:

[(1, 4000650), (2, 2000325), (3, 1333550), (5, 800130), (6, 666775), (10, 400065), (15, 266710), (25, 160026), (30, 133355), (50, 80013), (75, 53342), (149, 26850), (150, 26671), (179, 22350), (298, 13425), (358, 11175), (447, 8950), (537, 7450), (745, 5370), (894, 4475), (895, 4470), (1074, 3725), (1490, 2685), (1790, 2235)]