256388090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{27539}}^1$

素因数の和:27579

約数の個数: 48

約数和(自身を含む): 565120800

約数和(自身を除く): 308732710

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 4655, 9310, 27539, 55078, 137695, 192773, 275390, 385546, 523241, 963865, 1046482, 1349411, 1927730, 2616205, 2698822, 3662687, 5232410, 6747055, 7325374, 13494110, 18313435, 25638809, 36626870, 51277618, 128194045, 256388090]

約数ペア:

[(1, 256388090), (2, 128194045), (5, 51277618), (7, 36626870), (10, 25638809), (14, 18313435), (19, 13494110), (35, 7325374), (38, 6747055), (49, 5232410), (70, 3662687), (95, 2698822), (98, 2616205), (133, 1927730), (190, 1349411), (245, 1046482), (266, 963865), (490, 523241), (665, 385546), (931, 275390), (1330, 192773), (1862, 137695), (4655, 55078), (9310, 27539)]