28405510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2267}}^1$

素因数の和:2460

約数の個数: 32

約数和(自身を含む): 58786560

約数和(自身を除く): 30381050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 179, 358, 895, 1253, 1790, 2267, 2506, 4534, 6265, 11335, 12530, 15869, 22670, 31738, 79345, 158690, 405793, 811586, 2028965, 2840551, 4057930, 5681102, 14202755, 28405510]

約数ペア:

[(1, 28405510), (2, 14202755), (5, 5681102), (7, 4057930), (10, 2840551), (14, 2028965), (35, 811586), (70, 405793), (179, 158690), (358, 79345), (895, 31738), (1253, 22670), (1790, 15869), (2267, 12530), (2506, 11335), (4534, 6265)]