647551210

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1\times {\mathrm{1489}}^1$

素因数の和:1930

約数の個数: 32

約数和(自身を含む): 1178041680

約数和(自身を除く): 530490470

約数列:

[1, 2, 5, 10, 157, 277, 314, 554, 785, 1385, 1489, 1570, 2770, 2978, 7445, 14890, 43489, 86978, 217445, 233773, 412453, 434890, 467546, 824906, 1168865, 2062265, 2337730, 4124530, 64755121, 129510242, 323775605, 647551210]

約数ペア:

[(1, 647551210), (2, 323775605), (5, 129510242), (10, 64755121), (157, 4124530), (277, 2337730), (314, 2062265), (554, 1168865), (785, 824906), (1385, 467546), (1489, 434890), (1570, 412453), (2770, 233773), (2978, 217445), (7445, 86978), (14890, 43489)]