210766520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{5483}}^1$

素因数の和:5556

約数の個数: 48

約数和(自身を含む): 490105080

約数和(自身を除く): 279338560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 5483, 7688, 9610, 10966, 19220, 21932, 27415, 38440, 43864, 54830, 109660, 169973, 219320, 339946, 679892, 849865, 1359784, 1699730, 3399460, 5269163, 6798920, 10538326, 21076652, 26345815, 42153304, 52691630, 105383260, 210766520]

約数ペア:

[(1, 210766520), (2, 105383260), (4, 52691630), (5, 42153304), (8, 26345815), (10, 21076652), (20, 10538326), (31, 6798920), (40, 5269163), (62, 3399460), (124, 1699730), (155, 1359784), (248, 849865), (310, 679892), (620, 339946), (961, 219320), (1240, 169973), (1922, 109660), (3844, 54830), (4805, 43864), (5483, 38440), (7688, 27415), (9610, 21932), (10966, 19220)]