71820072

素因数分解:

$2^3\times 3^2\times {\mathrm{499}}^1\times {\mathrm{1999}}^1$

素因数の和:2510

約数の個数: 48

約数和(自身を含む): 195000000

約数和(自身を除く): 123179928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 499, 998, 1497, 1996, 1999, 2994, 3992, 3998, 4491, 5988, 5997, 7996, 8982, 11976, 11994, 15992, 17964, 17991, 23988, 35928, 35982, 47976, 71964, 143928, 997501, 1995002, 2992503, 3990004, 5985006, 7980008, 8977509, 11970012, 17955018, 23940024, 35910036, 71820072]

約数ペア:

[(1, 71820072), (2, 35910036), (3, 23940024), (4, 17955018), (6, 11970012), (8, 8977509), (9, 7980008), (12, 5985006), (18, 3990004), (24, 2992503), (36, 1995002), (72, 997501), (499, 143928), (998, 71964), (1497, 47976), (1996, 35982), (1999, 35928), (2994, 23988), (3992, 17991), (3998, 17964), (4491, 15992), (5988, 11994), (5997, 11976), (7996, 8982)]