713897180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1\times {\mathrm{1291}}^1$

素因数の和:1986

約数の個数: 48

約数和(自身を含む): 1537624704

約数和(自身を除く): 823727524

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 643, 860, 1286, 1291, 2572, 2582, 3215, 5164, 6430, 6455, 12860, 12910, 25820, 27649, 55298, 55513, 110596, 111026, 138245, 222052, 276490, 277565, 552980, 555130, 830113, 1110260, 1660226, 3320452, 4150565, 8301130, 16602260, 35694859, 71389718, 142779436, 178474295, 356948590, 713897180]

約数ペア:

[(1, 713897180), (2, 356948590), (4, 178474295), (5, 142779436), (10, 71389718), (20, 35694859), (43, 16602260), (86, 8301130), (172, 4150565), (215, 3320452), (430, 1660226), (643, 1110260), (860, 830113), (1286, 555130), (1291, 552980), (2572, 277565), (2582, 276490), (3215, 222052), (5164, 138245), (6430, 111026), (6455, 110596), (12860, 55513), (12910, 55298), (25820, 27649)]