28120710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21799}}^1$

素因数の和:21852

約数の個数: 32

約数和(自身を含む): 69062400

約数和(自身を除く): 40941690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 21799, 43598, 65397, 108995, 130794, 217990, 326985, 653970, 937357, 1874714, 2812071, 4686785, 5624142, 9373570, 14060355, 28120710]

約数ペア:

[(1, 28120710), (2, 14060355), (3, 9373570), (5, 5624142), (6, 4686785), (10, 2812071), (15, 1874714), (30, 937357), (43, 653970), (86, 326985), (129, 217990), (215, 130794), (258, 108995), (430, 65397), (645, 43598), (1290, 21799)]