388489520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3643}}^1$

素因数の和:3730

約数の個数: 80

約数和(自身を含む): 954319872

約数和(自身を除く): 565830352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1333, 1720, 2480, 2666, 3440, 3643, 5332, 6665, 7286, 10664, 13330, 14572, 18215, 21328, 26660, 29144, 36430, 53320, 58288, 72860, 106640, 112933, 145720, 156649, 225866, 291440, 313298, 451732, 564665, 626596, 783245, 903464, 1129330, 1253192, 1566490, 1806928, 2258660, 2506384, 3132980, 4517320, 4856119, 6265960, 9034640, 9712238, 12531920, 19424476, 24280595, 38848952, 48561190, 77697904, 97122380, 194244760, 388489520]

約数ペア:

[(1, 388489520), (2, 194244760), (4, 97122380), (5, 77697904), (8, 48561190), (10, 38848952), (16, 24280595), (20, 19424476), (31, 12531920), (40, 9712238), (43, 9034640), (62, 6265960), (80, 4856119), (86, 4517320), (124, 3132980), (155, 2506384), (172, 2258660), (215, 1806928), (248, 1566490), (310, 1253192), (344, 1129330), (430, 903464), (496, 783245), (620, 626596), (688, 564665), (860, 451732), (1240, 313298), (1333, 291440), (1720, 225866), (2480, 156649), (2666, 145720), (3440, 112933), (3643, 106640), (5332, 72860), (6665, 58288), (7286, 53320), (10664, 36430), (13330, 29144), (14572, 26660), (18215, 21328)]