270415990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{10559}}^1$

素因数の和:10776

約数の個数: 32

約数和(自身を含む): 526901760

約数和(自身を除く): 256485770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1970, 2561, 5122, 10559, 12805, 21118, 25610, 52795, 105590, 137267, 274534, 686335, 1372670, 2080123, 4160246, 10400615, 20801230, 27041599, 54083198, 135207995, 270415990]

約数ペア:

[(1, 270415990), (2, 135207995), (5, 54083198), (10, 27041599), (13, 20801230), (26, 10400615), (65, 4160246), (130, 2080123), (197, 1372670), (394, 686335), (985, 274534), (1970, 137267), (2561, 105590), (5122, 52795), (10559, 25610), (12805, 21118)]