27994820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{557}}^1$

素因数の和:932

約数の個数: 48

約数和(自身を含む): 67495680

約数和(自身を除く): 39500860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 557, 718, 1114, 1436, 1795, 2228, 2513, 2785, 3590, 3899, 5026, 5570, 7180, 7798, 10052, 11140, 12565, 15596, 19495, 25130, 38990, 50260, 77980, 199963, 399926, 799852, 999815, 1399741, 1999630, 2799482, 3999260, 5598964, 6998705, 13997410, 27994820]

約数ペア:

[(1, 27994820), (2, 13997410), (4, 6998705), (5, 5598964), (7, 3999260), (10, 2799482), (14, 1999630), (20, 1399741), (28, 999815), (35, 799852), (70, 399926), (140, 199963), (359, 77980), (557, 50260), (718, 38990), (1114, 25130), (1436, 19495), (1795, 15596), (2228, 12565), (2513, 11140), (2785, 10052), (3590, 7798), (3899, 7180), (5026, 5570)]