858205820

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1\times {\mathrm{677}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 1819274688

約数和(自身を除く): 961068868

約数列:

[1, 2, 4, 5, 10, 20, 241, 263, 482, 526, 677, 964, 1052, 1205, 1315, 1354, 2410, 2630, 2708, 3385, 4820, 5260, 6770, 13540, 63383, 126766, 163157, 178051, 253532, 316915, 326314, 356102, 633830, 652628, 712204, 815785, 890255, 1267660, 1631570, 1780510, 3263140, 3561020, 42910291, 85820582, 171641164, 214551455, 429102910, 858205820]

約数ペア:

[(1, 858205820), (2, 429102910), (4, 214551455), (5, 171641164), (10, 85820582), (20, 42910291), (241, 3561020), (263, 3263140), (482, 1780510), (526, 1631570), (677, 1267660), (964, 890255), (1052, 815785), (1205, 712204), (1315, 652628), (1354, 633830), (2410, 356102), (2630, 326314), (2708, 316915), (3385, 253532), (4820, 178051), (5260, 163157), (6770, 126766), (13540, 63383)]