203843860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 474854688

約数和(自身を除く): 271010828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 131, 220, 242, 262, 484, 524, 605, 643, 655, 1210, 1286, 1310, 1441, 2420, 2572, 2620, 2882, 3215, 5764, 6430, 7073, 7205, 12860, 14146, 14410, 15851, 28292, 28820, 31702, 35365, 63404, 70730, 77803, 79255, 84233, 141460, 155606, 158510, 168466, 311212, 317020, 336932, 389015, 421165, 778030, 842330, 926563, 1556060, 1684660, 1853126, 3706252, 4632815, 9265630, 10192193, 18531260, 20384386, 40768772, 50960965, 101921930, 203843860]

約数ペア:

[(1, 203843860), (2, 101921930), (4, 50960965), (5, 40768772), (10, 20384386), (11, 18531260), (20, 10192193), (22, 9265630), (44, 4632815), (55, 3706252), (110, 1853126), (121, 1684660), (131, 1556060), (220, 926563), (242, 842330), (262, 778030), (484, 421165), (524, 389015), (605, 336932), (643, 317020), (655, 311212), (1210, 168466), (1286, 158510), (1310, 155606), (1441, 141460), (2420, 84233), (2572, 79255), (2620, 77803), (2882, 70730), (3215, 63404), (5764, 35365), (6430, 31702), (7073, 28820), (7205, 28292), (12860, 15851), (14146, 14410)]