498973820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{13537}}^1$

素因数の和:13662

約数の個数: 48

約数和(自身を含む): 1114448160

約数和(自身を除く): 615474340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1843, 1940, 3686, 7372, 9215, 13537, 18430, 27074, 36860, 54148, 67685, 135370, 257203, 270740, 514406, 1028812, 1286015, 1313089, 2572030, 2626178, 5144060, 5252356, 6565445, 13130890, 24948691, 26261780, 49897382, 99794764, 124743455, 249486910, 498973820]

約数ペア:

[(1, 498973820), (2, 249486910), (4, 124743455), (5, 99794764), (10, 49897382), (19, 26261780), (20, 24948691), (38, 13130890), (76, 6565445), (95, 5252356), (97, 5144060), (190, 2626178), (194, 2572030), (380, 1313089), (388, 1286015), (485, 1028812), (970, 514406), (1843, 270740), (1940, 257203), (3686, 135370), (7372, 67685), (9215, 54148), (13537, 36860), (18430, 27074)]