9988890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8999}}^1$

素因数の和:9046

約数の個数: 32

約数和(自身を含む): 24624000

約数和(自身を除く): 14635110

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 8999, 17998, 26997, 44995, 53994, 89990, 134985, 269970, 332963, 665926, 998889, 1664815, 1997778, 3329630, 4994445, 9988890]

約数ペア:

[(1, 9988890), (2, 4994445), (3, 3329630), (5, 1997778), (6, 1664815), (10, 998889), (15, 665926), (30, 332963), (37, 269970), (74, 134985), (111, 89990), (185, 53994), (222, 44995), (370, 26997), (555, 17998), (1110, 8999)]