201973180

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{607}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 431456256

約数和(自身を除く): 229483076

約数列:

[1, 2, 4, 5, 10, 20, 127, 131, 254, 262, 508, 524, 607, 635, 655, 1214, 1270, 1310, 2428, 2540, 2620, 3035, 6070, 12140, 16637, 33274, 66548, 77089, 79517, 83185, 154178, 159034, 166370, 308356, 318068, 332740, 385445, 397585, 770890, 795170, 1541780, 1590340, 10098659, 20197318, 40394636, 50493295, 100986590, 201973180]

約数ペア:

[(1, 201973180), (2, 100986590), (4, 50493295), (5, 40394636), (10, 20197318), (20, 10098659), (127, 1590340), (131, 1541780), (254, 795170), (262, 770890), (508, 397585), (524, 385445), (607, 332740), (635, 318068), (655, 308356), (1214, 166370), (1270, 159034), (1310, 154178), (2428, 83185), (2540, 79517), (2620, 77089), (3035, 66548), (6070, 33274), (12140, 16637)]