256084180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37549}}^1$

素因数の和:37600

約数の個数: 48

約数和(自身を含む): 605606400

約数和(自身を除く): 349522220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 37549, 75098, 150196, 187745, 375490, 413039, 750980, 826078, 1164019, 1652156, 2065195, 2328038, 4130390, 4656076, 5820095, 8260780, 11640190, 12804209, 23280380, 25608418, 51216836, 64021045, 128042090, 256084180]

約数ペア:

[(1, 256084180), (2, 128042090), (4, 64021045), (5, 51216836), (10, 25608418), (11, 23280380), (20, 12804209), (22, 11640190), (31, 8260780), (44, 5820095), (55, 4656076), (62, 4130390), (110, 2328038), (124, 2065195), (155, 1652156), (220, 1164019), (310, 826078), (341, 750980), (620, 413039), (682, 375490), (1364, 187745), (1705, 150196), (3410, 75098), (6820, 37549)]