431640072

素因数分解:

$2^3\times 3^2\times {\mathrm{1999}}^1\times {\mathrm{2999}}^1$

素因数の和:5010

約数の個数: 48

約数和(自身を含む): 1170000000

約数和(自身を除く): 738359928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1999, 2999, 3998, 5997, 5998, 7996, 8997, 11994, 11996, 15992, 17991, 17994, 23988, 23992, 26991, 35982, 35988, 47976, 53982, 71964, 71976, 107964, 143928, 215928, 5995001, 11990002, 17985003, 23980004, 35970006, 47960008, 53955009, 71940012, 107910018, 143880024, 215820036, 431640072]

約数ペア:

[(1, 431640072), (2, 215820036), (3, 143880024), (4, 107910018), (6, 71940012), (8, 53955009), (9, 47960008), (12, 35970006), (18, 23980004), (24, 17985003), (36, 11990002), (72, 5995001), (1999, 215928), (2999, 143928), (3998, 107964), (5997, 71976), (5998, 71964), (7996, 53982), (8997, 47976), (11994, 35988), (11996, 35982), (15992, 26991), (17991, 23992), (17994, 23988)]