256411290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{82981}}^1$

素因数の和:83094

約数の個数: 32

約数和(自身を含む): 621369216

約数和(自身を除く): 364957926

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 309, 515, 618, 1030, 1545, 3090, 82981, 165962, 248943, 414905, 497886, 829810, 1244715, 2489430, 8547043, 17094086, 25641129, 42735215, 51282258, 85470430, 128205645, 256411290]

約数ペア:

[(1, 256411290), (2, 128205645), (3, 85470430), (5, 51282258), (6, 42735215), (10, 25641129), (15, 17094086), (30, 8547043), (103, 2489430), (206, 1244715), (309, 829810), (515, 497886), (618, 414905), (1030, 248943), (1545, 165962), (3090, 82981)]