1380457928

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 2707992000

約数和(自身を除く): 1327534072

約数列:

[1, 2, 4, 8, 53, 59, 106, 118, 139, 212, 236, 278, 397, 424, 472, 556, 794, 1112, 1588, 3127, 3176, 6254, 7367, 8201, 12508, 14734, 16402, 21041, 23423, 25016, 29468, 32804, 42082, 46846, 55183, 58936, 65608, 84164, 93692, 110366, 168328, 187384, 220732, 434653, 441464, 869306, 1241419, 1738612, 2482838, 2924699, 3255797, 3477224, 4965676, 5849398, 6511594, 9931352, 11698796, 13023188, 23397592, 26046376, 172557241, 345114482, 690228964, 1380457928]

約数ペア:

[(1, 1380457928), (2, 690228964), (4, 345114482), (8, 172557241), (53, 26046376), (59, 23397592), (106, 13023188), (118, 11698796), (139, 9931352), (212, 6511594), (236, 5849398), (278, 4965676), (397, 3477224), (424, 3255797), (472, 2924699), (556, 2482838), (794, 1738612), (1112, 1241419), (1588, 869306), (3127, 441464), (3176, 434653), (6254, 220732), (7367, 187384), (8201, 168328), (12508, 110366), (14734, 93692), (16402, 84164), (21041, 65608), (23423, 58936), (25016, 55183), (29468, 46846), (32804, 42082)]