219144770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 439084800

約数和(自身を除く): 219940030

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 197, 199, 215, 394, 398, 430, 559, 985, 995, 1118, 1970, 1990, 2561, 2587, 2795, 5122, 5174, 5590, 8471, 8557, 12805, 12935, 16942, 17114, 25610, 25870, 39203, 42355, 42785, 78406, 84710, 85570, 110123, 111241, 196015, 220246, 222482, 392030, 509639, 550615, 556205, 1019278, 1101230, 1112410, 1685729, 2548195, 3371458, 5096390, 8428645, 16857290, 21914477, 43828954, 109572385, 219144770]

約数ペア:

[(1, 219144770), (2, 109572385), (5, 43828954), (10, 21914477), (13, 16857290), (26, 8428645), (43, 5096390), (65, 3371458), (86, 2548195), (130, 1685729), (197, 1112410), (199, 1101230), (215, 1019278), (394, 556205), (398, 550615), (430, 509639), (559, 392030), (985, 222482), (995, 220246), (1118, 196015), (1970, 111241), (1990, 110123), (2561, 85570), (2587, 84710), (2795, 78406), (5122, 42785), (5174, 42355), (5590, 39203), (8471, 25870), (8557, 25610), (12805, 17114), (12935, 16942)]