428330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 915840

約数和(自身を除く): 487510

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 211, 290, 406, 422, 1015, 1055, 1477, 2030, 2110, 2954, 6119, 7385, 12238, 14770, 30595, 42833, 61190, 85666, 214165, 428330]

約数ペア:

[(1, 428330), (2, 214165), (5, 85666), (7, 61190), (10, 42833), (14, 30595), (29, 14770), (35, 12238), (58, 7385), (70, 6119), (145, 2954), (203, 2110), (211, 2030), (290, 1477), (406, 1055), (422, 1015)]