661036750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{887}}^1$

素因数の和:1186

約数の個数: 64

約数和(自身を含む): 1356466176

約数和(自身を除く): 695429426

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 271, 275, 542, 550, 887, 1355, 1375, 1774, 2710, 2750, 2981, 4435, 5962, 6775, 8870, 9757, 13550, 14905, 19514, 22175, 29810, 33875, 44350, 48785, 67750, 74525, 97570, 110875, 149050, 221750, 240377, 243925, 372625, 480754, 487850, 745250, 1201885, 1219625, 2403770, 2439250, 2644147, 5288294, 6009425, 12018850, 13220735, 26441470, 30047125, 60094250, 66103675, 132207350, 330518375, 661036750]

約数ペア:

[(1, 661036750), (2, 330518375), (5, 132207350), (10, 66103675), (11, 60094250), (22, 30047125), (25, 26441470), (50, 13220735), (55, 12018850), (110, 6009425), (125, 5288294), (250, 2644147), (271, 2439250), (275, 2403770), (542, 1219625), (550, 1201885), (887, 745250), (1355, 487850), (1375, 480754), (1774, 372625), (2710, 243925), (2750, 240377), (2981, 221750), (4435, 149050), (5962, 110875), (6775, 97570), (8870, 74525), (9757, 67750), (13550, 48785), (14905, 44350), (19514, 33875), (22175, 29810)]