381470210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 768700800

約数和(自身を除く): 387230590

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 139, 278, 305, 409, 610, 671, 695, 818, 1342, 1390, 1529, 2045, 3058, 3355, 4090, 4499, 6710, 7645, 8479, 8998, 15290, 16958, 22495, 24949, 42395, 44990, 49898, 56851, 84790, 93269, 113702, 124745, 186538, 249490, 274439, 284255, 466345, 548878, 568510, 625361, 932690, 1250722, 1372195, 2744390, 3126805, 3467911, 6253610, 6935822, 17339555, 34679110, 38147021, 76294042, 190735105, 381470210]

約数ペア:

[(1, 381470210), (2, 190735105), (5, 76294042), (10, 38147021), (11, 34679110), (22, 17339555), (55, 6935822), (61, 6253610), (110, 3467911), (122, 3126805), (139, 2744390), (278, 1372195), (305, 1250722), (409, 932690), (610, 625361), (671, 568510), (695, 548878), (818, 466345), (1342, 284255), (1390, 274439), (1529, 249490), (2045, 186538), (3058, 124745), (3355, 113702), (4090, 93269), (4499, 84790), (6710, 56851), (7645, 49898), (8479, 44990), (8998, 42395), (15290, 24949), (16958, 22495)]