12109900

素因数分解:

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

素因数の和:235

約数の個数: 72

約数和(自身を含む): 29216880

約数和(自身を除く): 17106980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 101, 109, 110, 202, 218, 220, 275, 404, 436, 505, 545, 550, 1010, 1090, 1100, 1111, 1199, 2020, 2180, 2222, 2398, 2525, 2725, 4444, 4796, 5050, 5450, 5555, 5995, 10100, 10900, 11009, 11110, 11990, 22018, 22220, 23980, 27775, 29975, 44036, 55045, 55550, 59950, 110090, 111100, 119900, 121099, 220180, 242198, 275225, 484396, 550450, 605495, 1100900, 1210990, 2421980, 3027475, 6054950, 12109900]

約数ペア:

[(1, 12109900), (2, 6054950), (4, 3027475), (5, 2421980), (10, 1210990), (11, 1100900), (20, 605495), (22, 550450), (25, 484396), (44, 275225), (50, 242198), (55, 220180), (100, 121099), (101, 119900), (109, 111100), (110, 110090), (202, 59950), (218, 55550), (220, 55045), (275, 44036), (404, 29975), (436, 27775), (505, 23980), (545, 22220), (550, 22018), (1010, 11990), (1090, 11110), (1100, 11009), (1111, 10900), (1199, 10100), (2020, 5995), (2180, 5555), (2222, 5450), (2398, 5050), (2525, 4796), (2725, 4444)]