173395550

素因数分解:

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

素因数の和:621

約数の個数: 48

約数和(自身を含む): 330968400

約数和(自身を除く): 157572850

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 139, 278, 305, 409, 610, 695, 818, 1390, 1525, 2045, 3050, 3475, 4090, 6950, 8479, 10225, 16958, 20450, 24949, 42395, 49898, 56851, 84790, 113702, 124745, 211975, 249490, 284255, 423950, 568510, 623725, 1247450, 1421275, 2842550, 3467911, 6935822, 17339555, 34679110, 86697775, 173395550]

約数ペア:

[(1, 173395550), (2, 86697775), (5, 34679110), (10, 17339555), (25, 6935822), (50, 3467911), (61, 2842550), (122, 1421275), (139, 1247450), (278, 623725), (305, 568510), (409, 423950), (610, 284255), (695, 249490), (818, 211975), (1390, 124745), (1525, 113702), (2045, 84790), (3050, 56851), (3475, 49898), (4090, 42395), (6950, 24949), (8479, 20450), (10225, 16958)]