9970520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{5087}}^1$

素因数の和:5112

約数の個数: 48

約数和(自身を含む): 26101440

約数和(自身を除く): 16130920

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, 5087, 10174, 20348, 25435, 35609, 40696, 50870, 71218, 101740, 142436, 178045, 203480, 249263, 284872, 356090, 498526, 712180, 997052, 1246315, 1424360, 1994104, 2492630, 4985260, 9970520]

約数ペア:

[(1, 9970520), (2, 4985260), (4, 2492630), (5, 1994104), (7, 1424360), (8, 1246315), (10, 997052), (14, 712180), (20, 498526), (28, 356090), (35, 284872), (40, 249263), (49, 203480), (56, 178045), (70, 142436), (98, 101740), (140, 71218), (196, 50870), (245, 40696), (280, 35609), (392, 25435), (490, 20348), (980, 10174), (1960, 5087)]