211675480

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 487620000

約数和(自身を除く): 275944520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 257, 295, 349, 472, 514, 590, 698, 1028, 1180, 1285, 1396, 1745, 2056, 2360, 2570, 2792, 3490, 5140, 6980, 10280, 13960, 15163, 20591, 30326, 41182, 60652, 75815, 82364, 89693, 102955, 121304, 151630, 164728, 179386, 205910, 303260, 358772, 411820, 448465, 606520, 717544, 823640, 896930, 1793860, 3587720, 5291887, 10583774, 21167548, 26459435, 42335096, 52918870, 105837740, 211675480]

約数ペア:

[(1, 211675480), (2, 105837740), (4, 52918870), (5, 42335096), (8, 26459435), (10, 21167548), (20, 10583774), (40, 5291887), (59, 3587720), (118, 1793860), (236, 896930), (257, 823640), (295, 717544), (349, 606520), (472, 448465), (514, 411820), (590, 358772), (698, 303260), (1028, 205910), (1180, 179386), (1285, 164728), (1396, 151630), (1745, 121304), (2056, 102955), (2360, 89693), (2570, 82364), (2792, 75815), (3490, 60652), (5140, 41182), (6980, 30326), (10280, 20591), (13960, 15163)]