143540140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{941}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 313346880

約数和(自身を除く): 169806740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 263, 290, 526, 580, 941, 1052, 1315, 1882, 2630, 3764, 4705, 5260, 7627, 9410, 15254, 18820, 27289, 30508, 38135, 54578, 76270, 109156, 136445, 152540, 247483, 272890, 494966, 545780, 989932, 1237415, 2474830, 4949660, 7177007, 14354014, 28708028, 35885035, 71770070, 143540140]

約数ペア:

[(1, 143540140), (2, 71770070), (4, 35885035), (5, 28708028), (10, 14354014), (20, 7177007), (29, 4949660), (58, 2474830), (116, 1237415), (145, 989932), (263, 545780), (290, 494966), (526, 272890), (580, 247483), (941, 152540), (1052, 136445), (1315, 109156), (1882, 76270), (2630, 54578), (3764, 38135), (4705, 30508), (5260, 27289), (7627, 18820), (9410, 15254)]