488778910

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1\times {\mathrm{1091}}^1$

素因数の和:1800

約数の個数: 32

約数和(自身を含む): 894426624

約数和(自身を除く): 405647714

約数列:

[1, 2, 5, 10, 71, 142, 355, 631, 710, 1091, 1262, 2182, 3155, 5455, 6310, 10910, 44801, 77461, 89602, 154922, 224005, 387305, 448010, 688421, 774610, 1376842, 3442105, 6884210, 48877891, 97755782, 244389455, 488778910]

約数ペア:

[(1, 488778910), (2, 244389455), (5, 97755782), (10, 48877891), (71, 6884210), (142, 3442105), (355, 1376842), (631, 774610), (710, 688421), (1091, 448010), (1262, 387305), (2182, 224005), (3155, 154922), (5455, 89602), (6310, 77461), (10910, 44801)]