257082380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{9643}}^1$

素因数の和:9726

約数の個数: 48

約数和(自身を含む): 570307584

約数和(自身を除く): 313225204

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 2666, 5332, 6665, 9643, 13330, 19286, 26660, 38572, 48215, 96430, 192860, 298933, 414649, 597866, 829298, 1195732, 1494665, 1658596, 2073245, 2989330, 4146490, 5978660, 8292980, 12854119, 25708238, 51416476, 64270595, 128541190, 257082380]

約数ペア:

[(1, 257082380), (2, 128541190), (4, 64270595), (5, 51416476), (10, 25708238), (20, 12854119), (31, 8292980), (43, 5978660), (62, 4146490), (86, 2989330), (124, 2073245), (155, 1658596), (172, 1494665), (215, 1195732), (310, 829298), (430, 597866), (620, 414649), (860, 298933), (1333, 192860), (2666, 96430), (5332, 48215), (6665, 38572), (9643, 26660), (13330, 19286)]