391139460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2172997}}^1$

素因数の和:2173012

約数の個数: 36

約数和(自身を含む): 1186456908

約数和(自身を除く): 795317448

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2172997, 4345994, 6518991, 8691988, 10864985, 13037982, 19556973, 21729970, 26075964, 32594955, 39113946, 43459940, 65189910, 78227892, 97784865, 130379820, 195569730, 391139460]

約数ペア:

[(1, 391139460), (2, 195569730), (3, 130379820), (4, 97784865), (5, 78227892), (6, 65189910), (9, 43459940), (10, 39113946), (12, 32594955), (15, 26075964), (18, 21729970), (20, 19556973), (30, 13037982), (36, 10864985), (45, 8691988), (60, 6518991), (90, 4345994), (180, 2172997)]