28301900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{2339}}^1$

素因数の和:2375

約数の個数: 54

約数和(自身を含む): 67534740

約数和(自身を除く): 39232840

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 2339, 2420, 3025, 4678, 6050, 9356, 11695, 12100, 23390, 25729, 46780, 51458, 58475, 102916, 116950, 128645, 233900, 257290, 283019, 514580, 566038, 643225, 1132076, 1286450, 1415095, 2572900, 2830190, 5660380, 7075475, 14150950, 28301900]

約数ペア:

[(1, 28301900), (2, 14150950), (4, 7075475), (5, 5660380), (10, 2830190), (11, 2572900), (20, 1415095), (22, 1286450), (25, 1132076), (44, 643225), (50, 566038), (55, 514580), (100, 283019), (110, 257290), (121, 233900), (220, 128645), (242, 116950), (275, 102916), (484, 58475), (550, 51458), (605, 46780), (1100, 25729), (1210, 23390), (2339, 12100), (2420, 11695), (3025, 9356), (4678, 6050)]