789898210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101399}}^1$

素因数の和:101466

約数の個数: 32

約数和(自身を含む): 1533168000

約数和(自身を除く): 743269790

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 101399, 202798, 506995, 1013990, 1926581, 3853162, 4157359, 8314718, 9632905, 19265810, 20786795, 41573590, 78989821, 157979642, 394949105, 789898210]

約数ペア:

[(1, 789898210), (2, 394949105), (5, 157979642), (10, 78989821), (19, 41573590), (38, 20786795), (41, 19265810), (82, 9632905), (95, 8314718), (190, 4157359), (205, 3853162), (410, 1926581), (779, 1013990), (1558, 506995), (3895, 202798), (7790, 101399)]