1736640980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{7019}}^1$

素因数の和:7256

約数の個数: 48

約数和(自身を含む): 3714984000

約数和(自身を除く): 1978343020

約数列:

[1, 2, 4, 5, 10, 20, 89, 139, 178, 278, 356, 445, 556, 695, 890, 1390, 1780, 2780, 7019, 12371, 14038, 24742, 28076, 35095, 49484, 61855, 70190, 123710, 140380, 247420, 624691, 975641, 1249382, 1951282, 2498764, 3123455, 3902564, 4878205, 6246910, 9756410, 12493820, 19512820, 86832049, 173664098, 347328196, 434160245, 868320490, 1736640980]

約数ペア:

[(1, 1736640980), (2, 868320490), (4, 434160245), (5, 347328196), (10, 173664098), (20, 86832049), (89, 19512820), (139, 12493820), (178, 9756410), (278, 6246910), (356, 4878205), (445, 3902564), (556, 3123455), (695, 2498764), (890, 1951282), (1390, 1249382), (1780, 975641), (2780, 624691), (7019, 247420), (12371, 140380), (14038, 123710), (24742, 70190), (28076, 61855), (35095, 49484)]