521005730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{2467}}^1$

素因数の和:2919

約数の個数: 48

約数和(自身を含む): 1093896576

約数和(自身を除く): 572890846

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 431, 490, 862, 2155, 2467, 3017, 4310, 4934, 6034, 12335, 15085, 17269, 21119, 24670, 30170, 34538, 42238, 86345, 105595, 120883, 172690, 211190, 241766, 604415, 1063277, 1208830, 2126554, 5316385, 7442939, 10632770, 14885878, 37214695, 52100573, 74429390, 104201146, 260502865, 521005730]

約数ペア:

[(1, 521005730), (2, 260502865), (5, 104201146), (7, 74429390), (10, 52100573), (14, 37214695), (35, 14885878), (49, 10632770), (70, 7442939), (98, 5316385), (245, 2126554), (431, 1208830), (490, 1063277), (862, 604415), (2155, 241766), (2467, 211190), (3017, 172690), (4310, 120883), (4934, 105595), (6034, 86345), (12335, 42238), (15085, 34538), (17269, 30170), (21119, 24670)]