87240190

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 159423264

約数和(自身を除く): 72183074

約数列:

[1, 2, 5, 10, 157, 181, 307, 314, 362, 614, 785, 905, 1535, 1570, 1810, 3070, 28417, 48199, 55567, 56834, 96398, 111134, 142085, 240995, 277835, 284170, 481990, 555670, 8724019, 17448038, 43620095, 87240190]

約数ペア:

[(1, 87240190), (2, 43620095), (5, 17448038), (10, 8724019), (157, 555670), (181, 481990), (307, 284170), (314, 277835), (362, 240995), (614, 142085), (785, 111134), (905, 96398), (1535, 56834), (1570, 55567), (1810, 48199), (3070, 28417)]