858963940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{2333}}^1$

素因数の和:2832

約数の個数: 48

約数和(自身を含む): 1852729200

約数和(自身を除く): 993765260

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 449, 820, 898, 1796, 2245, 2333, 4490, 4666, 8980, 9332, 11665, 18409, 23330, 36818, 46660, 73636, 92045, 95653, 184090, 191306, 368180, 382612, 478265, 956530, 1047517, 1913060, 2095034, 4190068, 5237585, 10475170, 20950340, 42948197, 85896394, 171792788, 214740985, 429481970, 858963940]

約数ペア:

[(1, 858963940), (2, 429481970), (4, 214740985), (5, 171792788), (10, 85896394), (20, 42948197), (41, 20950340), (82, 10475170), (164, 5237585), (205, 4190068), (410, 2095034), (449, 1913060), (820, 1047517), (898, 956530), (1796, 478265), (2245, 382612), (2333, 368180), (4490, 191306), (4666, 184090), (8980, 95653), (9332, 92045), (11665, 73636), (18409, 46660), (23330, 36818)]