274135120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{997}}^1$

素因数の和:1508

約数の個数: 80

約数和(自身を含む): 730631808

約数和(自身を除く): 456496688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 491, 560, 982, 997, 1964, 1994, 2455, 3437, 3928, 3988, 4910, 4985, 6874, 6979, 7856, 7976, 9820, 9970, 13748, 13958, 15952, 17185, 19640, 19940, 27496, 27916, 34370, 34895, 39280, 39880, 54992, 55832, 68740, 69790, 79760, 111664, 137480, 139580, 274960, 279160, 489527, 558320, 979054, 1958108, 2447635, 3426689, 3916216, 4895270, 6853378, 7832432, 9790540, 13706756, 17133445, 19581080, 27413512, 34266890, 39162160, 54827024, 68533780, 137067560, 274135120]

約数ペア:

[(1, 274135120), (2, 137067560), (4, 68533780), (5, 54827024), (7, 39162160), (8, 34266890), (10, 27413512), (14, 19581080), (16, 17133445), (20, 13706756), (28, 9790540), (35, 7832432), (40, 6853378), (56, 4895270), (70, 3916216), (80, 3426689), (112, 2447635), (140, 1958108), (280, 979054), (491, 558320), (560, 489527), (982, 279160), (997, 274960), (1964, 139580), (1994, 137480), (2455, 111664), (3437, 79760), (3928, 69790), (3988, 68740), (4910, 55832), (4985, 54992), (6874, 39880), (6979, 39280), (7856, 34895), (7976, 34370), (9820, 27916), (9970, 27496), (13748, 19940), (13958, 19640), (15952, 17185)]