187997290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 376992000

約数和(自身を除く): 188994710

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 169, 199, 215, 338, 398, 430, 559, 845, 995, 1118, 1690, 1990, 2197, 2587, 2795, 4394, 5174, 5590, 7267, 8557, 10985, 12935, 14534, 17114, 21970, 25870, 33631, 36335, 42785, 67262, 72670, 85570, 94471, 111241, 168155, 188942, 222482, 336310, 437203, 472355, 556205, 874406, 944710, 1112410, 1446133, 2186015, 2892266, 4372030, 7230665, 14461330, 18799729, 37599458, 93998645, 187997290]

約数ペア:

[(1, 187997290), (2, 93998645), (5, 37599458), (10, 18799729), (13, 14461330), (26, 7230665), (43, 4372030), (65, 2892266), (86, 2186015), (130, 1446133), (169, 1112410), (199, 944710), (215, 874406), (338, 556205), (398, 472355), (430, 437203), (559, 336310), (845, 222482), (995, 188942), (1118, 168155), (1690, 111241), (1990, 94471), (2197, 85570), (2587, 72670), (2795, 67262), (4394, 42785), (5174, 36335), (5590, 33631), (7267, 25870), (8557, 21970), (10985, 17114), (12935, 14534)]