212215960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{482309}}^1$

素因数の和:482331

約数の個数: 32

約数和(自身を含む): 520894800

約数和(自身を除く): 308678840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 482309, 964618, 1929236, 2411545, 3858472, 4823090, 5305399, 9646180, 10610798, 19292360, 21221596, 26526995, 42443192, 53053990, 106107980, 212215960]

約数ペア:

[(1, 212215960), (2, 106107980), (4, 53053990), (5, 42443192), (8, 26526995), (10, 21221596), (11, 19292360), (20, 10610798), (22, 9646180), (40, 5305399), (44, 4823090), (55, 3858472), (88, 2411545), (110, 1929236), (220, 964618), (440, 482309)]