209517090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{71999}}^1$

素因数の和:72106

約数の個数: 32

約数和(自身を含む): 508032000

約数和(自身を除く): 298514910

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 71999, 143998, 215997, 359995, 431994, 719990, 1079985, 2159970, 6983903, 13967806, 20951709, 34919515, 41903418, 69839030, 104758545, 209517090]

約数ペア:

[(1, 209517090), (2, 104758545), (3, 69839030), (5, 41903418), (6, 34919515), (10, 20951709), (15, 13967806), (30, 6983903), (97, 2159970), (194, 1079985), (291, 719990), (485, 431994), (582, 359995), (970, 215997), (1455, 143998), (2910, 71999)]