320438890

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{3491}}^1$

素因数の和:3702

約数の個数: 32

約数和(自身を含む): 589840704

約数和(自身を除く): 269401814

約数列:

[1, 2, 5, 10, 67, 134, 137, 274, 335, 670, 685, 1370, 3491, 6982, 9179, 17455, 18358, 34910, 45895, 91790, 233897, 467794, 478267, 956534, 1169485, 2338970, 2391335, 4782670, 32043889, 64087778, 160219445, 320438890]

約数ペア:

[(1, 320438890), (2, 160219445), (5, 64087778), (10, 32043889), (67, 4782670), (134, 2391335), (137, 2338970), (274, 1169485), (335, 956534), (670, 478267), (685, 467794), (1370, 233897), (3491, 91790), (6982, 45895), (9179, 34910), (17455, 18358)]