6398140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2026

約数の個数: 48

約数和(自身を含む): 16031232

約数和(自身を除く): 9633092

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, 1987, 3220, 3974, 7948, 9935, 13909, 19870, 27818, 39740, 45701, 55636, 69545, 91402, 139090, 182804, 228505, 278180, 319907, 457010, 639814, 914020, 1279628, 1599535, 3199070, 6398140]

約数ペア:

[(1, 6398140), (2, 3199070), (4, 1599535), (5, 1279628), (7, 914020), (10, 639814), (14, 457010), (20, 319907), (23, 278180), (28, 228505), (35, 182804), (46, 139090), (70, 91402), (92, 69545), (115, 55636), (140, 45701), (161, 39740), (230, 27818), (322, 19870), (460, 13909), (644, 9935), (805, 7948), (1610, 3974), (1987, 3220)]