513420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 1478400

約数和(自身を除く): 964980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 199, 215, 258, 398, 430, 516, 597, 645, 796, 860, 995, 1194, 1290, 1990, 2388, 2580, 2985, 3980, 5970, 8557, 11940, 17114, 25671, 34228, 42785, 51342, 85570, 102684, 128355, 171140, 256710, 513420]

約数ペア:

[(1, 513420), (2, 256710), (3, 171140), (4, 128355), (5, 102684), (6, 85570), (10, 51342), (12, 42785), (15, 34228), (20, 25671), (30, 17114), (43, 11940), (60, 8557), (86, 5970), (129, 3980), (172, 2985), (199, 2580), (215, 2388), (258, 1990), (398, 1290), (430, 1194), (516, 995), (597, 860), (645, 796)]