2878850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 5957952

約数和(自身を除く): 3079102

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 103, 130, 206, 215, 325, 430, 515, 559, 650, 1030, 1075, 1118, 1339, 2150, 2575, 2678, 2795, 4429, 5150, 5590, 6695, 8858, 13390, 13975, 22145, 27950, 33475, 44290, 57577, 66950, 110725, 115154, 221450, 287885, 575770, 1439425, 2878850]

約数ペア:

[(1, 2878850), (2, 1439425), (5, 575770), (10, 287885), (13, 221450), (25, 115154), (26, 110725), (43, 66950), (50, 57577), (65, 44290), (86, 33475), (103, 27950), (130, 22145), (206, 13975), (215, 13390), (325, 8858), (430, 6695), (515, 5590), (559, 5150), (650, 4429), (1030, 2795), (1075, 2678), (1118, 2575), (1339, 2150)]