289688720

素因数分解:

$2^4\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{3313}}^1$

素因数の和:4419

約数の個数: 40

約数和(自身を含む): 674345976

約数和(自身を除く): 384657256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1093, 2186, 3313, 4372, 5465, 6626, 8744, 10930, 13252, 16565, 17488, 21860, 26504, 33130, 43720, 53008, 66260, 87440, 132520, 265040, 3621109, 7242218, 14484436, 18105545, 28968872, 36211090, 57937744, 72422180, 144844360, 289688720]

約数ペア:

[(1, 289688720), (2, 144844360), (4, 72422180), (5, 57937744), (8, 36211090), (10, 28968872), (16, 18105545), (20, 14484436), (40, 7242218), (80, 3621109), (1093, 265040), (2186, 132520), (3313, 87440), (4372, 66260), (5465, 53008), (6626, 43720), (8744, 33130), (10930, 26504), (13252, 21860), (16565, 17488)]