202014850

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:547

約数の個数: 48

約数和(自身を含む): 383904000

約数和(自身を除く): 181889150

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 199, 257, 395, 398, 514, 790, 995, 1285, 1975, 1990, 2570, 3950, 4975, 6425, 9950, 12850, 15721, 20303, 31442, 40606, 51143, 78605, 101515, 102286, 157210, 203030, 255715, 393025, 507575, 511430, 786050, 1015150, 1278575, 2557150, 4040297, 8080594, 20201485, 40402970, 101007425, 202014850]

約数ペア:

[(1, 202014850), (2, 101007425), (5, 40402970), (10, 20201485), (25, 8080594), (50, 4040297), (79, 2557150), (158, 1278575), (199, 1015150), (257, 786050), (395, 511430), (398, 507575), (514, 393025), (790, 255715), (995, 203030), (1285, 157210), (1975, 102286), (1990, 101515), (2570, 78605), (3950, 51143), (4975, 40606), (6425, 31442), (9950, 20303), (12850, 15721)]