123847060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1697}}^1$

素因数の和:1836

約数の個数: 48

約数和(自身を含む): 269574480

約数和(自身を除く): 145727420

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 356, 410, 445, 820, 890, 1697, 1780, 3394, 3649, 6788, 7298, 8485, 14596, 16970, 18245, 33940, 36490, 69577, 72980, 139154, 151033, 278308, 302066, 347885, 604132, 695770, 755165, 1391540, 1510330, 3020660, 6192353, 12384706, 24769412, 30961765, 61923530, 123847060]

約数ペア:

[(1, 123847060), (2, 61923530), (4, 30961765), (5, 24769412), (10, 12384706), (20, 6192353), (41, 3020660), (82, 1510330), (89, 1391540), (164, 755165), (178, 695770), (205, 604132), (356, 347885), (410, 302066), (445, 278308), (820, 151033), (890, 139154), (1697, 72980), (1780, 69577), (3394, 36490), (3649, 33940), (6788, 18245), (7298, 16970), (8485, 14596)]