2277772780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{14633}}^1$

素因数の和:14866

約数の個数: 48

約数和(自身を含む): 4921941024

約数和(自身を除く): 2644168244

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 181, 215, 362, 430, 724, 860, 905, 1810, 3620, 7783, 14633, 15566, 29266, 31132, 38915, 58532, 73165, 77830, 146330, 155660, 292660, 629219, 1258438, 2516876, 2648573, 3146095, 5297146, 6292190, 10594292, 12584380, 13242865, 26485730, 52971460, 113888639, 227777278, 455554556, 569443195, 1138886390, 2277772780]

約数ペア:

[(1, 2277772780), (2, 1138886390), (4, 569443195), (5, 455554556), (10, 227777278), (20, 113888639), (43, 52971460), (86, 26485730), (172, 13242865), (181, 12584380), (215, 10594292), (362, 6292190), (430, 5297146), (724, 3146095), (860, 2648573), (905, 2516876), (1810, 1258438), (3620, 629219), (7783, 292660), (14633, 155660), (15566, 146330), (29266, 77830), (31132, 73165), (38915, 58532)]