51022900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 116103680

約数和(自身を除く): 65080780

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 109, 124, 151, 155, 218, 302, 310, 436, 545, 604, 620, 755, 775, 1090, 1510, 1550, 2180, 2725, 3020, 3100, 3379, 3775, 4681, 5450, 6758, 7550, 9362, 10900, 13516, 15100, 16459, 16895, 18724, 23405, 32918, 33790, 46810, 65836, 67580, 82295, 84475, 93620, 117025, 164590, 168950, 234050, 329180, 337900, 411475, 468100, 510229, 822950, 1020458, 1645900, 2040916, 2551145, 5102290, 10204580, 12755725, 25511450, 51022900]

約数ペア:

[(1, 51022900), (2, 25511450), (4, 12755725), (5, 10204580), (10, 5102290), (20, 2551145), (25, 2040916), (31, 1645900), (50, 1020458), (62, 822950), (100, 510229), (109, 468100), (124, 411475), (151, 337900), (155, 329180), (218, 234050), (302, 168950), (310, 164590), (436, 117025), (545, 93620), (604, 84475), (620, 82295), (755, 67580), (775, 65836), (1090, 46810), (1510, 33790), (1550, 32918), (2180, 23405), (2725, 18724), (3020, 16895), (3100, 16459), (3379, 15100), (3775, 13516), (4681, 10900), (5450, 9362), (6758, 7550)]