28926940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{563}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 69737472

約数和(自身を除く): 40810532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 367, 563, 734, 1126, 1468, 1835, 2252, 2569, 2815, 3670, 3941, 5138, 5630, 7340, 7882, 10276, 11260, 12845, 15764, 19705, 25690, 39410, 51380, 78820, 206621, 413242, 826484, 1033105, 1446347, 2066210, 2892694, 4132420, 5785388, 7231735, 14463470, 28926940]

約数ペア:

[(1, 28926940), (2, 14463470), (4, 7231735), (5, 5785388), (7, 4132420), (10, 2892694), (14, 2066210), (20, 1446347), (28, 1033105), (35, 826484), (70, 413242), (140, 206621), (367, 78820), (563, 51380), (734, 39410), (1126, 25690), (1468, 19705), (1835, 15764), (2252, 12845), (2569, 11260), (2815, 10276), (3670, 7882), (3941, 7340), (5138, 5630)]