90820520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{46337}}^1$

素因数の和:46362

約数の個数: 48

約数和(自身を含む): 237713940

約数和(自身を除く): 146893420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 46337, 92674, 185348, 231685, 324359, 370696, 463370, 648718, 926740, 1297436, 1621795, 1853480, 2270513, 2594872, 3243590, 4541026, 6487180, 9082052, 11352565, 12974360, 18164104, 22705130, 45410260, 90820520]

約数ペア:

[(1, 90820520), (2, 45410260), (4, 22705130), (5, 18164104), (7, 12974360), (8, 11352565), (10, 9082052), (14, 6487180), (20, 4541026), (28, 3243590), (35, 2594872), (40, 2270513), (49, 1853480), (56, 1621795), (70, 1297436), (98, 926740), (140, 648718), (196, 463370), (245, 370696), (280, 324359), (392, 231685), (490, 185348), (980, 92674), (1960, 46337)]