1995679940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1\times {\mathrm{2803}}^1$

素因数の和:3276

約数の個数: 48

約数和(自身を含む): 4247185152

約数和(自身を除く): 2251505212

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 367, 388, 485, 734, 970, 1468, 1835, 1940, 2803, 3670, 5606, 7340, 11212, 14015, 28030, 35599, 56060, 71198, 142396, 177995, 271891, 355990, 543782, 711980, 1028701, 1087564, 1359455, 2057402, 2718910, 4114804, 5143505, 5437820, 10287010, 20574020, 99783997, 199567994, 399135988, 498919985, 997839970, 1995679940]

約数ペア:

[(1, 1995679940), (2, 997839970), (4, 498919985), (5, 399135988), (10, 199567994), (20, 99783997), (97, 20574020), (194, 10287010), (367, 5437820), (388, 5143505), (485, 4114804), (734, 2718910), (970, 2057402), (1468, 1359455), (1835, 1087564), (1940, 1028701), (2803, 711980), (3670, 543782), (5606, 355990), (7340, 271891), (11212, 177995), (14015, 142396), (28030, 71198), (35599, 56060)]