156678570440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4025657}}^1$

素因数の和:4025814

約数の個数: 64

約数和(自身を含む): 405786326400

約数和(自身を除く): 249107755960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4865, 5560, 7784, 9730, 19460, 38920, 4025657, 8051314, 16102628, 20128285, 28179599, 32205256, 40256570, 56359198, 80513140, 112718396, 140897995, 161026280, 225436792, 281795990, 559566323, 563591980, 1119132646, 1127183960, 2238265292, 2797831615, 3916964261, 4476530584, 5595663230, 7833928522, 11191326460, 15667857044, 19584821305, 22382652920, 31335714088, 39169642610, 78339285220, 156678570440]

約数ペア:

[(1, 156678570440), (2, 78339285220), (4, 39169642610), (5, 31335714088), (7, 22382652920), (8, 19584821305), (10, 15667857044), (14, 11191326460), (20, 7833928522), (28, 5595663230), (35, 4476530584), (40, 3916964261), (56, 2797831615), (70, 2238265292), (139, 1127183960), (140, 1119132646), (278, 563591980), (280, 559566323), (556, 281795990), (695, 225436792), (973, 161026280), (1112, 140897995), (1390, 112718396), (1946, 80513140), (2780, 56359198), (3892, 40256570), (4865, 32205256), (5560, 28179599), (7784, 20128285), (9730, 16102628), (19460, 8051314), (38920, 4025657)]