30557020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 69558048

約数和(自身を除く): 39001028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 557, 844, 1055, 1114, 2110, 2228, 2743, 2785, 4220, 5486, 5570, 7241, 10972, 11140, 13715, 14482, 27430, 28964, 36205, 54860, 72410, 117527, 144820, 235054, 470108, 587635, 1175270, 1527851, 2350540, 3055702, 6111404, 7639255, 15278510, 30557020]

約数ペア:

[(1, 30557020), (2, 15278510), (4, 7639255), (5, 6111404), (10, 3055702), (13, 2350540), (20, 1527851), (26, 1175270), (52, 587635), (65, 470108), (130, 235054), (211, 144820), (260, 117527), (422, 72410), (557, 54860), (844, 36205), (1055, 28964), (1114, 27430), (2110, 14482), (2228, 13715), (2743, 11140), (2785, 10972), (4220, 7241), (5486, 5570)]