7981950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 19998720

約数和(自身を除く): 12016770

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 127, 150, 254, 381, 419, 635, 762, 838, 1257, 1270, 1905, 2095, 2514, 3175, 3810, 4190, 6285, 6350, 9525, 10475, 12570, 19050, 20950, 31425, 53213, 62850, 106426, 159639, 266065, 319278, 532130, 798195, 1330325, 1596390, 2660650, 3990975, 7981950]

約数ペア:

[(1, 7981950), (2, 3990975), (3, 2660650), (5, 1596390), (6, 1330325), (10, 798195), (15, 532130), (25, 319278), (30, 266065), (50, 159639), (75, 106426), (127, 62850), (150, 53213), (254, 31425), (381, 20950), (419, 19050), (635, 12570), (762, 10475), (838, 9525), (1257, 6350), (1270, 6285), (1905, 4190), (2095, 3810), (2514, 3175)]