489589415

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 680400000

約数和(自身を除く): 190810585

約数列:

[1, 5, 7, 35, 149, 269, 349, 745, 1043, 1345, 1745, 1883, 2443, 5215, 9415, 12215, 40081, 52001, 93881, 200405, 260005, 280567, 364007, 469405, 657167, 1402835, 1820035, 3285835, 13988269, 69941345, 97917883, 489589415]

約数ペア:

[(1, 489589415), (5, 97917883), (7, 69941345), (35, 13988269), (149, 3285835), (269, 1820035), (349, 1402835), (745, 657167), (1043, 469405), (1345, 364007), (1745, 280567), (1883, 260005), (2443, 200405), (5215, 93881), (9415, 52001), (12215, 40081)]