265467380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{13421}}^1$

素因数の和:13496

約数の個数: 48

約数和(自身を含む): 595292544

約数和(自身を除く): 329825164

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 9890, 13421, 19780, 26842, 53684, 67105, 134210, 268420, 308683, 577103, 617366, 1154206, 1234732, 1543415, 2308412, 2885515, 3086830, 5771030, 6173660, 11542060, 13273369, 26546738, 53093476, 66366845, 132733690, 265467380]

約数ペア:

[(1, 265467380), (2, 132733690), (4, 66366845), (5, 53093476), (10, 26546738), (20, 13273369), (23, 11542060), (43, 6173660), (46, 5771030), (86, 3086830), (92, 2885515), (115, 2308412), (172, 1543415), (215, 1234732), (230, 1154206), (430, 617366), (460, 577103), (860, 308683), (989, 268420), (1978, 134210), (3956, 67105), (4945, 53684), (9890, 26842), (13421, 19780)]