1440376

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 3315600

約数和(自身を除く): 1875224

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 89, 119, 136, 178, 238, 289, 356, 476, 578, 623, 712, 952, 1156, 1246, 1513, 2023, 2312, 2492, 3026, 4046, 4984, 6052, 8092, 10591, 12104, 16184, 21182, 25721, 42364, 51442, 84728, 102884, 180047, 205768, 360094, 720188, 1440376]

約数ペア:

[(1, 1440376), (2, 720188), (4, 360094), (7, 205768), (8, 180047), (14, 102884), (17, 84728), (28, 51442), (34, 42364), (56, 25721), (68, 21182), (89, 16184), (119, 12104), (136, 10591), (178, 8092), (238, 6052), (289, 4984), (356, 4046), (476, 3026), (578, 2492), (623, 2312), (712, 2023), (952, 1513), (1156, 1246)]