202947820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 435891456

約数和(自身を除く): 232943636

約数列:

[1, 2, 4, 5, 10, 20, 71, 131, 142, 262, 284, 355, 524, 655, 710, 1091, 1310, 1420, 2182, 2620, 4364, 5455, 9301, 10910, 18602, 21820, 37204, 46505, 77461, 93010, 142921, 154922, 186020, 285842, 309844, 387305, 571684, 714605, 774610, 1429210, 1549220, 2858420, 10147391, 20294782, 40589564, 50736955, 101473910, 202947820]

約数ペア:

[(1, 202947820), (2, 101473910), (4, 50736955), (5, 40589564), (10, 20294782), (20, 10147391), (71, 2858420), (131, 1549220), (142, 1429210), (262, 774610), (284, 714605), (355, 571684), (524, 387305), (655, 309844), (710, 285842), (1091, 186020), (1310, 154922), (1420, 142921), (2182, 93010), (2620, 77461), (4364, 46505), (5455, 37204), (9301, 21820), (10910, 18602)]