512549990

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1\times {\mathrm{751}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 932359680

約数和(自身を除く): 419809690

約数列:

[1, 2, 5, 10, 139, 278, 491, 695, 751, 982, 1390, 1502, 2455, 3755, 4910, 7510, 68249, 104389, 136498, 208778, 341245, 368741, 521945, 682490, 737482, 1043890, 1843705, 3687410, 51254999, 102509998, 256274995, 512549990]

約数ペア:

[(1, 512549990), (2, 256274995), (5, 102509998), (10, 51254999), (139, 3687410), (278, 1843705), (491, 1043890), (695, 737482), (751, 682490), (982, 521945), (1390, 368741), (1502, 341245), (2455, 208778), (3755, 136498), (4910, 104389), (7510, 68249)]