1709620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 4132800

約数和(自身を除く): 2423180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 409, 418, 818, 836, 1045, 1636, 2045, 2090, 4090, 4180, 4499, 7771, 8180, 8998, 15542, 17996, 22495, 31084, 38855, 44990, 77710, 85481, 89980, 155420, 170962, 341924, 427405, 854810, 1709620]

約数ペア:

[(1, 1709620), (2, 854810), (4, 427405), (5, 341924), (10, 170962), (11, 155420), (19, 89980), (20, 85481), (22, 77710), (38, 44990), (44, 38855), (55, 31084), (76, 22495), (95, 17996), (110, 15542), (190, 8998), (209, 8180), (220, 7771), (380, 4499), (409, 4180), (418, 4090), (818, 2090), (836, 2045), (1045, 1636)]