261867170

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{6959}}^1$

素因数の和:7090

約数の個数: 32

約数和(自身を含む): 487088640

約数和(自身を除く): 225221470

約数列:

[1, 2, 5, 10, 53, 71, 106, 142, 265, 355, 530, 710, 3763, 6959, 7526, 13918, 18815, 34795, 37630, 69590, 368827, 494089, 737654, 988178, 1844135, 2470445, 3688270, 4940890, 26186717, 52373434, 130933585, 261867170]

約数ペア:

[(1, 261867170), (2, 130933585), (5, 52373434), (10, 26186717), (53, 4940890), (71, 3688270), (106, 2470445), (142, 1844135), (265, 988178), (355, 737654), (530, 494089), (710, 368827), (3763, 69590), (6959, 37630), (7526, 34795), (13918, 18815)]