840408

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 2240280

約数和(自身を除く): 1399872

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 97, 114, 152, 194, 228, 291, 361, 388, 456, 582, 722, 776, 1083, 1164, 1444, 1843, 2166, 2328, 2888, 3686, 4332, 5529, 7372, 8664, 11058, 14744, 22116, 35017, 44232, 70034, 105051, 140068, 210102, 280136, 420204, 840408]

約数ペア:

[(1, 840408), (2, 420204), (3, 280136), (4, 210102), (6, 140068), (8, 105051), (12, 70034), (19, 44232), (24, 35017), (38, 22116), (57, 14744), (76, 11058), (97, 8664), (114, 7372), (152, 5529), (194, 4332), (228, 3686), (291, 2888), (361, 2328), (388, 2166), (456, 1843), (582, 1444), (722, 1164), (776, 1083)]