4287220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 10418688

約数和(自身を除く): 6131468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 271, 452, 542, 565, 791, 1084, 1130, 1355, 1582, 1897, 2260, 2710, 3164, 3794, 3955, 5420, 7588, 7910, 9485, 15820, 18970, 30623, 37940, 61246, 122492, 153115, 214361, 306230, 428722, 612460, 857444, 1071805, 2143610, 4287220]

約数ペア:

[(1, 4287220), (2, 2143610), (4, 1071805), (5, 857444), (7, 612460), (10, 428722), (14, 306230), (20, 214361), (28, 153115), (35, 122492), (70, 61246), (113, 37940), (140, 30623), (226, 18970), (271, 15820), (452, 9485), (542, 7910), (565, 7588), (791, 5420), (1084, 3955), (1130, 3794), (1355, 3164), (1582, 2710), (1897, 2260)]