213421110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:726

約数の個数: 128

約数和(自身を含む): 624153600

約数和(自身を除く): 410732490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 89, 95, 105, 114, 133, 178, 190, 210, 266, 267, 285, 399, 445, 534, 570, 601, 623, 665, 798, 890, 1202, 1246, 1330, 1335, 1691, 1803, 1869, 1995, 2670, 3005, 3115, 3382, 3606, 3738, 3990, 4207, 5073, 6010, 6230, 8414, 8455, 9015, 9345, 10146, 11419, 11837, 12621, 16910, 18030, 18690, 21035, 22838, 23674, 25242, 25365, 34257, 35511, 42070, 50730, 53489, 57095, 59185, 63105, 68514, 71022, 79933, 106978, 114190, 118370, 126210, 159866, 160467, 171285, 177555, 239799, 267445, 320934, 342570, 355110, 374423, 399665, 479598, 534890, 748846, 799330, 802335, 1016291, 1123269, 1198995, 1604670, 1872115, 2032582, 2246538, 2397990, 3048873, 3744230, 5081455, 5616345, 6097746, 7114037, 10162910, 11232690, 14228074, 15244365, 21342111, 30488730, 35570185, 42684222, 71140370, 106710555, 213421110]

約数ペア:

[(1, 213421110), (2, 106710555), (3, 71140370), (5, 42684222), (6, 35570185), (7, 30488730), (10, 21342111), (14, 15244365), (15, 14228074), (19, 11232690), (21, 10162910), (30, 7114037), (35, 6097746), (38, 5616345), (42, 5081455), (57, 3744230), (70, 3048873), (89, 2397990), (95, 2246538), (105, 2032582), (114, 1872115), (133, 1604670), (178, 1198995), (190, 1123269), (210, 1016291), (266, 802335), (267, 799330), (285, 748846), (399, 534890), (445, 479598), (534, 399665), (570, 374423), (601, 355110), (623, 342570), (665, 320934), (798, 267445), (890, 239799), (1202, 177555), (1246, 171285), (1330, 160467), (1335, 159866), (1691, 126210), (1803, 118370), (1869, 114190), (1995, 106978), (2670, 79933), (3005, 71022), (3115, 68514), (3382, 63105), (3606, 59185), (3738, 57095), (3990, 53489), (4207, 50730), (5073, 42070), (6010, 35511), (6230, 34257), (8414, 25365), (8455, 25242), (9015, 23674), (9345, 22838), (10146, 21035), (11419, 18690), (11837, 18030), (12621, 16910)]