7860020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2441}}^1$

素因数の和:2480

約数の個数: 48

約数和(自身を含む): 19692288

約数和(自身を除く): 11832268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 2441, 3220, 4882, 9764, 12205, 17087, 24410, 34174, 48820, 56143, 68348, 85435, 112286, 170870, 224572, 280715, 341740, 393001, 561430, 786002, 1122860, 1572004, 1965005, 3930010, 7860020]

約数ペア:

[(1, 7860020), (2, 3930010), (4, 1965005), (5, 1572004), (7, 1122860), (10, 786002), (14, 561430), (20, 393001), (23, 341740), (28, 280715), (35, 224572), (46, 170870), (70, 112286), (92, 85435), (115, 68348), (140, 56143), (161, 48820), (230, 34174), (322, 24410), (460, 17087), (644, 12205), (805, 9764), (1610, 4882), (2441, 3220)]