1210990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 2423520

約数和(自身を除く): 1212530

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 109, 110, 202, 218, 505, 545, 1010, 1090, 1111, 1199, 2222, 2398, 5555, 5995, 11009, 11110, 11990, 22018, 55045, 110090, 121099, 242198, 605495, 1210990]

約数ペア:

[(1, 1210990), (2, 605495), (5, 242198), (10, 121099), (11, 110090), (22, 55045), (55, 22018), (101, 11990), (109, 11110), (110, 11009), (202, 5995), (218, 5555), (505, 2398), (545, 2222), (1010, 1199), (1090, 1111)]