18680455900

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{13327}}^1$

素因数の和:13579

約数の個数: 72

約数和(自身を含む): 41230861056

約数和(自身を除く): 22550405156

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 131, 214, 262, 428, 524, 535, 655, 1070, 1310, 2140, 2620, 2675, 3275, 5350, 6550, 10700, 13100, 13327, 14017, 26654, 28034, 53308, 56068, 66635, 70085, 133270, 140170, 266540, 280340, 333175, 350425, 666350, 700850, 1332700, 1401700, 1425989, 1745837, 2851978, 3491674, 5703956, 6983348, 7129945, 8729185, 14259890, 17458370, 28519780, 34916740, 35649725, 43645925, 71299450, 87291850, 142598900, 174583700, 186804559, 373609118, 747218236, 934022795, 1868045590, 3736091180, 4670113975, 9340227950, 18680455900]

約数ペア:

[(1, 18680455900), (2, 9340227950), (4, 4670113975), (5, 3736091180), (10, 1868045590), (20, 934022795), (25, 747218236), (50, 373609118), (100, 186804559), (107, 174583700), (131, 142598900), (214, 87291850), (262, 71299450), (428, 43645925), (524, 35649725), (535, 34916740), (655, 28519780), (1070, 17458370), (1310, 14259890), (2140, 8729185), (2620, 7129945), (2675, 6983348), (3275, 5703956), (5350, 3491674), (6550, 2851978), (10700, 1745837), (13100, 1425989), (13327, 1401700), (14017, 1332700), (26654, 700850), (28034, 666350), (53308, 350425), (56068, 333175), (66635, 280340), (70085, 266540), (133270, 140170)]