210009790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{4973}}^1$

素因数の和:5124

約数の個数: 32

約数和(自身を含む): 391075776

約数和(自身を除く): 181065986

約数列:

[1, 2, 5, 10, 41, 82, 103, 205, 206, 410, 515, 1030, 4223, 4973, 8446, 9946, 21115, 24865, 42230, 49730, 203893, 407786, 512219, 1019465, 1024438, 2038930, 2561095, 5122190, 21000979, 42001958, 105004895, 210009790]

約数ペア:

[(1, 210009790), (2, 105004895), (5, 42001958), (10, 21000979), (41, 5122190), (82, 2561095), (103, 2038930), (205, 1024438), (206, 1019465), (410, 512219), (515, 407786), (1030, 203893), (4223, 49730), (4973, 42230), (8446, 24865), (9946, 21115)]