78659240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^2$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 205351200

約数和(自身を除く): 126691960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 97, 110, 152, 190, 194, 209, 220, 380, 388, 418, 440, 485, 760, 776, 836, 970, 1045, 1067, 1672, 1843, 1940, 2090, 2134, 3686, 3880, 4180, 4268, 5335, 7372, 8360, 8536, 9215, 9409, 10670, 14744, 18430, 18818, 20273, 21340, 36860, 37636, 40546, 42680, 47045, 73720, 75272, 81092, 94090, 101365, 103499, 162184, 178771, 188180, 202730, 206998, 357542, 376360, 405460, 413996, 517495, 715084, 810920, 827992, 893855, 1034990, 1430168, 1787710, 1966481, 2069980, 3575420, 3932962, 4139960, 7150840, 7865924, 9832405, 15731848, 19664810, 39329620, 78659240]

約数ペア:

[(1, 78659240), (2, 39329620), (4, 19664810), (5, 15731848), (8, 9832405), (10, 7865924), (11, 7150840), (19, 4139960), (20, 3932962), (22, 3575420), (38, 2069980), (40, 1966481), (44, 1787710), (55, 1430168), (76, 1034990), (88, 893855), (95, 827992), (97, 810920), (110, 715084), (152, 517495), (190, 413996), (194, 405460), (209, 376360), (220, 357542), (380, 206998), (388, 202730), (418, 188180), (440, 178771), (485, 162184), (760, 103499), (776, 101365), (836, 94090), (970, 81092), (1045, 75272), (1067, 73720), (1672, 47045), (1843, 42680), (1940, 40546), (2090, 37636), (2134, 36860), (3686, 21340), (3880, 20273), (4180, 18818), (4268, 18430), (5335, 14744), (7372, 10670), (8360, 9409), (8536, 9215)]