212227180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{12211}}^1$

素因数の和:12310

約数の個数: 48

約数和(自身を含む): 492387840

約数和(自身を除く): 280160660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 12211, 17380, 24422, 48844, 61055, 122110, 134321, 244220, 268642, 537284, 671605, 964669, 1343210, 1929338, 2686420, 3858676, 4823345, 9646690, 10611359, 19293380, 21222718, 42445436, 53056795, 106113590, 212227180]

約数ペア:

[(1, 212227180), (2, 106113590), (4, 53056795), (5, 42445436), (10, 21222718), (11, 19293380), (20, 10611359), (22, 9646690), (44, 4823345), (55, 3858676), (79, 2686420), (110, 1929338), (158, 1343210), (220, 964669), (316, 671605), (395, 537284), (790, 268642), (869, 244220), (1580, 134321), (1738, 122110), (3476, 61055), (4345, 48844), (8690, 24422), (12211, 17380)]