75017990

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 137457216

約数和(自身を除く): 62439226

約数列:

[1, 2, 5, 10, 103, 173, 206, 346, 421, 515, 842, 865, 1030, 1730, 2105, 4210, 17819, 35638, 43363, 72833, 86726, 89095, 145666, 178190, 216815, 364165, 433630, 728330, 7501799, 15003598, 37508995, 75017990]

約数ペア:

[(1, 75017990), (2, 37508995), (5, 15003598), (10, 7501799), (103, 728330), (173, 433630), (206, 364165), (346, 216815), (421, 178190), (515, 145666), (842, 89095), (865, 86726), (1030, 72833), (1730, 43363), (2105, 35638), (4210, 17819)]