71342957980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1291}}^1\times {\mathrm{394727}}^1$

素因数の和:396034

約数の個数: 48

約数和(自身を含む): 171356161536

約数和(自身を除く): 100013203556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1291, 2582, 5164, 6455, 9037, 12910, 18074, 25820, 36148, 45185, 90370, 180740, 394727, 789454, 1578908, 1973635, 2763089, 3947270, 5526178, 7894540, 11052356, 13815445, 27630890, 55261780, 509592557, 1019185114, 2038370228, 2547962785, 3567147899, 5095925570, 7134295798, 10191851140, 14268591596, 17835739495, 35671478990, 71342957980]

約数ペア:

[(1, 71342957980), (2, 35671478990), (4, 17835739495), (5, 14268591596), (7, 10191851140), (10, 7134295798), (14, 5095925570), (20, 3567147899), (28, 2547962785), (35, 2038370228), (70, 1019185114), (140, 509592557), (1291, 55261780), (2582, 27630890), (5164, 13815445), (6455, 11052356), (9037, 7894540), (12910, 5526178), (18074, 3947270), (25820, 2763089), (36148, 1973635), (45185, 1578908), (90370, 789454), (180740, 394727)]