22221080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1301}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 58121280

約数和(自身を除く): 35900200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1301, 1708, 2135, 2440, 2602, 3416, 4270, 5204, 6505, 8540, 9107, 10408, 13010, 17080, 18214, 26020, 36428, 45535, 52040, 72856, 79361, 91070, 158722, 182140, 317444, 364280, 396805, 555527, 634888, 793610, 1111054, 1587220, 2222108, 2777635, 3174440, 4444216, 5555270, 11110540, 22221080]

約数ペア:

[(1, 22221080), (2, 11110540), (4, 5555270), (5, 4444216), (7, 3174440), (8, 2777635), (10, 2222108), (14, 1587220), (20, 1111054), (28, 793610), (35, 634888), (40, 555527), (56, 396805), (61, 364280), (70, 317444), (122, 182140), (140, 158722), (244, 91070), (280, 79361), (305, 72856), (427, 52040), (488, 45535), (610, 36428), (854, 26020), (1220, 18214), (1301, 17080), (1708, 13010), (2135, 10408), (2440, 9107), (2602, 8540), (3416, 6505), (4270, 5204)]