210056840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{750203}}^1$

素因数の和:750221

約数の個数: 32

約数和(自身を含む): 540146880

約数和(自身を除く): 330090040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 750203, 1500406, 3000812, 3751015, 5251421, 6001624, 7502030, 10502842, 15004060, 21005684, 26257105, 30008120, 42011368, 52514210, 105028420, 210056840]

約数ペア:

[(1, 210056840), (2, 105028420), (4, 52514210), (5, 42011368), (7, 30008120), (8, 26257105), (10, 21005684), (14, 15004060), (20, 10502842), (28, 7502030), (35, 6001624), (40, 5251421), (56, 3751015), (70, 3000812), (140, 1500406), (280, 750203)]