420988645

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{1291}}^1$

素因数の和:1343

約数の個数: 48

約数和(自身を含む): 646888896

約数和(自身を除く): 225900251

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 121, 245, 385, 539, 605, 847, 1291, 1331, 2695, 4235, 5929, 6455, 6655, 9037, 9317, 14201, 29645, 45185, 46585, 63259, 65219, 71005, 99407, 156211, 316295, 326095, 497035, 695849, 781055, 1093477, 1718321, 3479245, 5467385, 7654339, 8591605, 12028247, 38271695, 60141235, 84197729, 420988645]

約数ペア:

[(1, 420988645), (5, 84197729), (7, 60141235), (11, 38271695), (35, 12028247), (49, 8591605), (55, 7654339), (77, 5467385), (121, 3479245), (245, 1718321), (385, 1093477), (539, 781055), (605, 695849), (847, 497035), (1291, 326095), (1331, 316295), (2695, 156211), (4235, 99407), (5929, 71005), (6455, 65219), (6655, 63259), (9037, 46585), (9317, 45185), (14201, 29645)]