90804970

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{839}}^1$

素因数の和:1062

約数の個数: 32

約数和(自身を含む): 166924800

約数和(自身を除く): 76119830

約数列:

[1, 2, 5, 10, 79, 137, 158, 274, 395, 685, 790, 839, 1370, 1678, 4195, 8390, 10823, 21646, 54115, 66281, 108230, 114943, 132562, 229886, 331405, 574715, 662810, 1149430, 9080497, 18160994, 45402485, 90804970]

約数ペア:

[(1, 90804970), (2, 45402485), (5, 18160994), (10, 9080497), (79, 1149430), (137, 662810), (158, 574715), (274, 331405), (395, 229886), (685, 132562), (790, 114943), (839, 108230), (1370, 66281), (1678, 54115), (4195, 21646), (8390, 10823)]