420866568

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{307651}}^1$

素因数の和:307682

約数の個数: 48

約数和(自身を含む): 1199842800

約数和(自身を除く): 778976232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 307651, 615302, 922953, 1230604, 1845906, 2461208, 2768859, 3691812, 5537718, 5845369, 7383624, 11075436, 11690738, 17536107, 22150872, 23381476, 35072214, 46762952, 52608321, 70144428, 105216642, 140288856, 210433284, 420866568]

約数ペア:

[(1, 420866568), (2, 210433284), (3, 140288856), (4, 105216642), (6, 70144428), (8, 52608321), (9, 46762952), (12, 35072214), (18, 23381476), (19, 22150872), (24, 17536107), (36, 11690738), (38, 11075436), (57, 7383624), (72, 5845369), (76, 5537718), (114, 3691812), (152, 2768859), (171, 2461208), (228, 1845906), (342, 1230604), (456, 922953), (684, 615302), (1368, 307651)]