2008287260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{462739}}^1$

素因数の和:462786

約数の個数: 48

約数和(自身を含む): 4975380480

約数和(自身を除く): 2967093220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 462739, 925478, 1850956, 2313695, 3239173, 4627390, 6478346, 9254780, 12956692, 14344909, 16195865, 28689818, 32391730, 57379636, 64783460, 71724545, 100414363, 143449090, 200828726, 286898180, 401657452, 502071815, 1004143630, 2008287260]

約数ペア:

[(1, 2008287260), (2, 1004143630), (4, 502071815), (5, 401657452), (7, 286898180), (10, 200828726), (14, 143449090), (20, 100414363), (28, 71724545), (31, 64783460), (35, 57379636), (62, 32391730), (70, 28689818), (124, 16195865), (140, 14344909), (155, 12956692), (217, 9254780), (310, 6478346), (434, 4627390), (620, 3239173), (868, 2313695), (1085, 1850956), (2170, 925478), (4340, 462739)]