86731390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 174182400

約数和(自身を除く): 87451010

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 89, 95, 115, 178, 190, 223, 230, 437, 445, 446, 874, 890, 1115, 1691, 2047, 2185, 2230, 3382, 4094, 4237, 4370, 5129, 8455, 8474, 10235, 10258, 16910, 19847, 20470, 21185, 25645, 38893, 39694, 42370, 51290, 77786, 97451, 99235, 194465, 194902, 198470, 377093, 388930, 456481, 487255, 754186, 912962, 974510, 1885465, 2282405, 3770930, 4564810, 8673139, 17346278, 43365695, 86731390]

約数ペア:

[(1, 86731390), (2, 43365695), (5, 17346278), (10, 8673139), (19, 4564810), (23, 3770930), (38, 2282405), (46, 1885465), (89, 974510), (95, 912962), (115, 754186), (178, 487255), (190, 456481), (223, 388930), (230, 377093), (437, 198470), (445, 194902), (446, 194465), (874, 99235), (890, 97451), (1115, 77786), (1691, 51290), (2047, 42370), (2185, 39694), (2230, 38893), (3382, 25645), (4094, 21185), (4237, 20470), (4370, 19847), (5129, 16910), (8455, 10258), (8474, 10235)]