278250516

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1229}}^1$

素因数の和:1589

約数の個数: 72

約数和(自身を含む): 743215200

約数和(自身を除く): 464964684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 331, 342, 662, 684, 993, 1229, 1324, 1986, 2458, 2979, 3687, 3972, 4916, 5958, 6289, 7374, 11061, 11916, 12578, 14748, 18867, 22122, 23351, 25156, 37734, 44244, 46702, 56601, 70053, 75468, 93404, 113202, 140106, 210159, 226404, 280212, 406799, 420318, 813598, 840636, 1220397, 1627196, 2440794, 3661191, 4881588, 7322382, 7729181, 14644764, 15458362, 23187543, 30916724, 46375086, 69562629, 92750172, 139125258, 278250516]

約数ペア:

[(1, 278250516), (2, 139125258), (3, 92750172), (4, 69562629), (6, 46375086), (9, 30916724), (12, 23187543), (18, 15458362), (19, 14644764), (36, 7729181), (38, 7322382), (57, 4881588), (76, 3661191), (114, 2440794), (171, 1627196), (228, 1220397), (331, 840636), (342, 813598), (662, 420318), (684, 406799), (993, 280212), (1229, 226404), (1324, 210159), (1986, 140106), (2458, 113202), (2979, 93404), (3687, 75468), (3972, 70053), (4916, 56601), (5958, 46702), (6289, 44244), (7374, 37734), (11061, 25156), (11916, 23351), (12578, 22122), (14748, 18867)]