30942920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 72230400

約数和(自身を除く): 41287480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 109, 151, 188, 218, 235, 302, 376, 436, 470, 545, 604, 755, 872, 940, 1090, 1208, 1510, 1880, 2180, 3020, 4360, 5123, 6040, 7097, 10246, 14194, 16459, 20492, 25615, 28388, 32918, 35485, 40984, 51230, 56776, 65836, 70970, 82295, 102460, 131672, 141940, 164590, 204920, 283880, 329180, 658360, 773573, 1547146, 3094292, 3867865, 6188584, 7735730, 15471460, 30942920]

約数ペア:

[(1, 30942920), (2, 15471460), (4, 7735730), (5, 6188584), (8, 3867865), (10, 3094292), (20, 1547146), (40, 773573), (47, 658360), (94, 329180), (109, 283880), (151, 204920), (188, 164590), (218, 141940), (235, 131672), (302, 102460), (376, 82295), (436, 70970), (470, 65836), (545, 56776), (604, 51230), (755, 40984), (872, 35485), (940, 32918), (1090, 28388), (1208, 25615), (1510, 20492), (1880, 16459), (2180, 14194), (3020, 10246), (4360, 7097), (5123, 6040)]