29178380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18947}}^1$

素因数の和:18974

約数の個数: 48

約数和(自身を含む): 76398336

約数和(自身を除く): 47219956

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 18947, 37894, 75788, 94735, 132629, 189470, 208417, 265258, 378940, 416834, 530516, 663145, 833668, 1042085, 1326290, 1458919, 2084170, 2652580, 2917838, 4168340, 5835676, 7294595, 14589190, 29178380]

約数ペア:

[(1, 29178380), (2, 14589190), (4, 7294595), (5, 5835676), (7, 4168340), (10, 2917838), (11, 2652580), (14, 2084170), (20, 1458919), (22, 1326290), (28, 1042085), (35, 833668), (44, 663145), (55, 530516), (70, 416834), (77, 378940), (110, 265258), (140, 208417), (154, 189470), (220, 132629), (308, 94735), (385, 75788), (770, 37894), (1540, 18947)]