978960070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{769}}^1$

素因数の和:1021

約数の個数: 64

約数和(自身を含む): 1963906560

約数和(自身を除く): 984946490

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 163, 326, 355, 710, 769, 781, 815, 1538, 1562, 1630, 1793, 3586, 3845, 3905, 7690, 7810, 8459, 8965, 11573, 16918, 17930, 23146, 42295, 54599, 57865, 84590, 109198, 115730, 125347, 127303, 250694, 254606, 272995, 545990, 600589, 626735, 636515, 1201178, 1253470, 1273030, 1378817, 2757634, 3002945, 6005890, 6894085, 8899637, 13788170, 17799274, 44498185, 88996370, 97896007, 195792014, 489480035, 978960070]

約数ペア:

[(1, 978960070), (2, 489480035), (5, 195792014), (10, 97896007), (11, 88996370), (22, 44498185), (55, 17799274), (71, 13788170), (110, 8899637), (142, 6894085), (163, 6005890), (326, 3002945), (355, 2757634), (710, 1378817), (769, 1273030), (781, 1253470), (815, 1201178), (1538, 636515), (1562, 626735), (1630, 600589), (1793, 545990), (3586, 272995), (3845, 254606), (3905, 250694), (7690, 127303), (7810, 125347), (8459, 115730), (8965, 109198), (11573, 84590), (16918, 57865), (17930, 54599), (23146, 42295)]