7449820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 18063360

約数和(自身を除く): 10613540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 419, 508, 635, 838, 889, 1270, 1676, 1778, 2095, 2540, 2933, 3556, 4190, 4445, 5866, 8380, 8890, 11732, 14665, 17780, 29330, 53213, 58660, 106426, 212852, 266065, 372491, 532130, 744982, 1064260, 1489964, 1862455, 3724910, 7449820]

約数ペア:

[(1, 7449820), (2, 3724910), (4, 1862455), (5, 1489964), (7, 1064260), (10, 744982), (14, 532130), (20, 372491), (28, 266065), (35, 212852), (70, 106426), (127, 58660), (140, 53213), (254, 29330), (419, 17780), (508, 14665), (635, 11732), (838, 8890), (889, 8380), (1270, 5866), (1676, 4445), (1778, 4190), (2095, 3556), (2540, 2933)]