520720270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{391519}}^1$

素因数の和:391552

約数の個数: 32

約数和(自身を含む): 1127577600

約数和(自身を除く): 606857330

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 391519, 783038, 1957595, 2740633, 3915190, 5481266, 7438861, 13703165, 14877722, 27406330, 37194305, 52072027, 74388610, 104144054, 260360135, 520720270]

約数ペア:

[(1, 520720270), (2, 260360135), (5, 104144054), (7, 74388610), (10, 52072027), (14, 37194305), (19, 27406330), (35, 14877722), (38, 13703165), (70, 7438861), (95, 5481266), (133, 3915190), (190, 2740633), (266, 1957595), (665, 783038), (1330, 391519)]