2223980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{919}}^1$

素因数の和:950

約数の個数: 36

約数和(自身を含む): 5139120

約数和(自身を除く): 2915140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 919, 1210, 1838, 2420, 3676, 4595, 9190, 10109, 18380, 20218, 40436, 50545, 101090, 111199, 202180, 222398, 444796, 555995, 1111990, 2223980]

約数ペア:

[(1, 2223980), (2, 1111990), (4, 555995), (5, 444796), (10, 222398), (11, 202180), (20, 111199), (22, 101090), (44, 50545), (55, 40436), (110, 20218), (121, 18380), (220, 10109), (242, 9190), (484, 4595), (605, 3676), (919, 2420), (1210, 1838)]