638984630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{40519}}^1$

素因数の和:40628

約数の個数: 32

約数和(自身を含む): 1225324800

約数和(自身を除く): 586340170

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1577, 3154, 7885, 15770, 40519, 81038, 202595, 405190, 769861, 1539722, 3363077, 3849305, 6726154, 7698610, 16815385, 33630770, 63898463, 127796926, 319492315, 638984630]

約数ペア:

[(1, 638984630), (2, 319492315), (5, 127796926), (10, 63898463), (19, 33630770), (38, 16815385), (83, 7698610), (95, 6726154), (166, 3849305), (190, 3363077), (415, 1539722), (830, 769861), (1577, 405190), (3154, 202595), (7885, 81038), (15770, 40519)]