31260147290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^2\times {\mathrm{20771}}^1$

素因数の和:20975

約数の個数: 48

約数和(自身を含む): 59905617120

約数和(自身を除く): 28645469830

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1691, 3382, 7921, 8455, 15842, 16910, 20771, 39605, 41542, 79210, 103855, 150499, 207710, 300998, 394649, 752495, 789298, 1504990, 1848619, 1973245, 3697238, 3946490, 9243095, 18486190, 35123761, 70247522, 164527091, 175618805, 329054182, 351237610, 822635455, 1645270910, 3126014729, 6252029458, 15630073645, 31260147290]

約数ペア:

[(1, 31260147290), (2, 15630073645), (5, 6252029458), (10, 3126014729), (19, 1645270910), (38, 822635455), (89, 351237610), (95, 329054182), (178, 175618805), (190, 164527091), (445, 70247522), (890, 35123761), (1691, 18486190), (3382, 9243095), (7921, 3946490), (8455, 3697238), (15842, 1973245), (16910, 1848619), (20771, 1504990), (39605, 789298), (41542, 752495), (79210, 394649), (103855, 300998), (150499, 207710)]