439460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 1094016

約数和(自身を除く): 654556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 73, 86, 140, 146, 172, 215, 292, 301, 365, 430, 511, 602, 730, 860, 1022, 1204, 1460, 1505, 2044, 2555, 3010, 3139, 5110, 6020, 6278, 10220, 12556, 15695, 21973, 31390, 43946, 62780, 87892, 109865, 219730, 439460]

約数ペア:

[(1, 439460), (2, 219730), (4, 109865), (5, 87892), (7, 62780), (10, 43946), (14, 31390), (20, 21973), (28, 15695), (35, 12556), (43, 10220), (70, 6278), (73, 6020), (86, 5110), (140, 3139), (146, 3010), (172, 2555), (215, 2044), (292, 1505), (301, 1460), (365, 1204), (430, 1022), (511, 860), (602, 730)]