28296380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{563}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 68221440

約数和(自身を除く): 39925060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 563, 718, 1126, 1436, 1795, 2252, 2513, 2815, 3590, 3941, 5026, 5630, 7180, 7882, 10052, 11260, 12565, 15764, 19705, 25130, 39410, 50260, 78820, 202117, 404234, 808468, 1010585, 1414819, 2021170, 2829638, 4042340, 5659276, 7074095, 14148190, 28296380]

約数ペア:

[(1, 28296380), (2, 14148190), (4, 7074095), (5, 5659276), (7, 4042340), (10, 2829638), (14, 2021170), (20, 1414819), (28, 1010585), (35, 808468), (70, 404234), (140, 202117), (359, 78820), (563, 50260), (718, 39410), (1126, 25130), (1436, 19705), (1795, 15764), (2252, 12565), (2513, 11260), (2815, 10052), (3590, 7882), (3941, 7180), (5026, 5630)]