56843420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 123217248

約数和(自身を除く): 66373828

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 157, 172, 215, 314, 421, 430, 628, 785, 842, 860, 1570, 1684, 2105, 3140, 4210, 6751, 8420, 13502, 18103, 27004, 33755, 36206, 66097, 67510, 72412, 90515, 132194, 135020, 181030, 264388, 330485, 362060, 660970, 1321940, 2842171, 5684342, 11368684, 14210855, 28421710, 56843420]

約数ペア:

[(1, 56843420), (2, 28421710), (4, 14210855), (5, 11368684), (10, 5684342), (20, 2842171), (43, 1321940), (86, 660970), (157, 362060), (172, 330485), (215, 264388), (314, 181030), (421, 135020), (430, 132194), (628, 90515), (785, 72412), (842, 67510), (860, 66097), (1570, 36206), (1684, 33755), (2105, 27004), (3140, 18103), (4210, 13502), (6751, 8420)]