78166190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 159805440

約数和(自身を除く): 81639250

約数列:

[1, 2, 5, 10, 19, 23, 31, 38, 46, 62, 95, 115, 155, 190, 230, 310, 437, 577, 589, 713, 874, 1154, 1178, 1426, 2185, 2885, 2945, 3565, 4370, 5770, 5890, 7130, 10963, 13271, 13547, 17887, 21926, 26542, 27094, 35774, 54815, 66355, 67735, 89435, 109630, 132710, 135470, 178870, 252149, 339853, 411401, 504298, 679706, 822802, 1260745, 1699265, 2057005, 2521490, 3398530, 4114010, 7816619, 15633238, 39083095, 78166190]

約数ペア:

[(1, 78166190), (2, 39083095), (5, 15633238), (10, 7816619), (19, 4114010), (23, 3398530), (31, 2521490), (38, 2057005), (46, 1699265), (62, 1260745), (95, 822802), (115, 679706), (155, 504298), (190, 411401), (230, 339853), (310, 252149), (437, 178870), (577, 135470), (589, 132710), (713, 109630), (874, 89435), (1154, 67735), (1178, 66355), (1426, 54815), (2185, 35774), (2885, 27094), (2945, 26542), (3565, 21926), (4370, 17887), (5770, 13547), (5890, 13271), (7130, 10963)]