211371120020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{680569}}^1$

素因数の和:680924

約数の個数: 48

約数和(自身を含む): 453798631440

約数和(自身を除く): 242427511420

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 293, 530, 586, 1060, 1172, 1465, 2930, 5860, 15529, 31058, 62116, 77645, 155290, 310580, 680569, 1361138, 2722276, 3402845, 6805690, 13611380, 36070157, 72140314, 144280628, 180350785, 199406717, 360701570, 398813434, 721403140, 797626868, 997033585, 1994067170, 3988134340, 10568556001, 21137112002, 42274224004, 52842780005, 105685560010, 211371120020]

約数ペア:

[(1, 211371120020), (2, 105685560010), (4, 52842780005), (5, 42274224004), (10, 21137112002), (20, 10568556001), (53, 3988134340), (106, 1994067170), (212, 997033585), (265, 797626868), (293, 721403140), (530, 398813434), (586, 360701570), (1060, 199406717), (1172, 180350785), (1465, 144280628), (2930, 72140314), (5860, 36070157), (15529, 13611380), (31058, 6805690), (62116, 3402845), (77645, 2722276), (155290, 1361138), (310580, 680569)]