259481740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{50093}}^1$

素因数の和:50146

約数の個数: 48

約数和(自身を含む): 639600192

約数和(自身を除く): 380118452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 50093, 100186, 200372, 250465, 350651, 500930, 701302, 1001860, 1402604, 1753255, 1853441, 3506510, 3706882, 7013020, 7413764, 9267205, 12974087, 18534410, 25948174, 37068820, 51896348, 64870435, 129740870, 259481740]

約数ペア:

[(1, 259481740), (2, 129740870), (4, 64870435), (5, 51896348), (7, 37068820), (10, 25948174), (14, 18534410), (20, 12974087), (28, 9267205), (35, 7413764), (37, 7013020), (70, 3706882), (74, 3506510), (140, 1853441), (148, 1753255), (185, 1402604), (259, 1001860), (370, 701302), (518, 500930), (740, 350651), (1036, 250465), (1295, 200372), (2590, 100186), (5180, 50093)]