204920300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{557}}^1$

素因数の和:867

約数の個数: 72

約数和(自身を含む): 481437936

約数和(自身を除く): 276517636

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 283, 325, 557, 566, 650, 1114, 1132, 1300, 1415, 2228, 2785, 2830, 3679, 5570, 5660, 7075, 7241, 7358, 11140, 13925, 14150, 14482, 14716, 18395, 27850, 28300, 28964, 36205, 36790, 55700, 72410, 73580, 91975, 144820, 157631, 181025, 183950, 315262, 362050, 367900, 630524, 724100, 788155, 1576310, 2049203, 3152620, 3940775, 4098406, 7881550, 8196812, 10246015, 15763100, 20492030, 40984060, 51230075, 102460150, 204920300]

約数ペア:

[(1, 204920300), (2, 102460150), (4, 51230075), (5, 40984060), (10, 20492030), (13, 15763100), (20, 10246015), (25, 8196812), (26, 7881550), (50, 4098406), (52, 3940775), (65, 3152620), (100, 2049203), (130, 1576310), (260, 788155), (283, 724100), (325, 630524), (557, 367900), (566, 362050), (650, 315262), (1114, 183950), (1132, 181025), (1300, 157631), (1415, 144820), (2228, 91975), (2785, 73580), (2830, 72410), (3679, 55700), (5570, 36790), (5660, 36205), (7075, 28964), (7241, 28300), (7358, 27850), (11140, 18395), (13925, 14716), (14150, 14482)]