329998520

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{23371}}^1$

素因数の和:23735

約数の個数: 32

約数和(自身を含む): 744631920

約数和(自身を除く): 414633400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 14120, 23371, 46742, 93484, 116855, 186968, 233710, 467420, 934840, 8249963, 16499926, 32999852, 41249815, 65999704, 82499630, 164999260, 329998520]

約数ペア:

[(1, 329998520), (2, 164999260), (4, 82499630), (5, 65999704), (8, 41249815), (10, 32999852), (20, 16499926), (40, 8249963), (353, 934840), (706, 467420), (1412, 233710), (1765, 186968), (2824, 116855), (3530, 93484), (7060, 46742), (14120, 23371)]