259486700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{563}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 616835520

約数和(自身を除く): 357348820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 419, 550, 563, 838, 1100, 1126, 1676, 2095, 2252, 2815, 4190, 4609, 5630, 6193, 8380, 9218, 10475, 11260, 12386, 14075, 18436, 20950, 23045, 24772, 28150, 30965, 41900, 46090, 56300, 61930, 92180, 115225, 123860, 154825, 230450, 235897, 309650, 460900, 471794, 619300, 943588, 1179485, 2358970, 2594867, 4717940, 5189734, 5897425, 10379468, 11794850, 12974335, 23589700, 25948670, 51897340, 64871675, 129743350, 259486700]

約数ペア:

[(1, 259486700), (2, 129743350), (4, 64871675), (5, 51897340), (10, 25948670), (11, 23589700), (20, 12974335), (22, 11794850), (25, 10379468), (44, 5897425), (50, 5189734), (55, 4717940), (100, 2594867), (110, 2358970), (220, 1179485), (275, 943588), (419, 619300), (550, 471794), (563, 460900), (838, 309650), (1100, 235897), (1126, 230450), (1676, 154825), (2095, 123860), (2252, 115225), (2815, 92180), (4190, 61930), (4609, 56300), (5630, 46090), (6193, 41900), (8380, 30965), (9218, 28150), (10475, 24772), (11260, 23045), (12386, 20950), (14075, 18436)]