2620291.00000000

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 123171840

約数和(自身を除く): 65900570

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 53, 70, 86, 106, 215, 265, 301, 359, 371, 430, 530, 602, 718, 742, 1505, 1795, 1855, 2279, 2513, 3010, 3590, 3710, 4558, 5026, 11395, 12565, 15437, 15953, 19027, 22790, 25130, 30874, 31906, 38054, 77185, 79765, 95135, 108059, 133189, 154370, 159530, 190270, 216118, 266378, 540295, 665945, 818161, 1080590, 1331890, 1636322, 4090805, 5727127, 8181610, 11454254, 28635635, 57271270]

約数ペア:

[(1, 57271270), (2, 28635635), (5, 11454254), (7, 8181610), (10, 5727127), (14, 4090805), (35, 1636322), (43, 1331890), (53, 1080590), (70, 818161), (86, 665945), (106, 540295), (215, 266378), (265, 216118), (301, 190270), (359, 159530), (371, 154370), (430, 133189), (530, 108059), (602, 95135), (718, 79765), (742, 77185), (1505, 38054), (1795, 31906), (1855, 30874), (2279, 25130), (2513, 22790), (3010, 19027), (3590, 15953), (3710, 15437), (4558, 12565), (5026, 11395)]