27587980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{28151}}^1$

素因数の和:28174

約数の個数: 36

約数和(自身を含む): 67395888

約数和(自身を除く): 39807908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 28151, 56302, 112604, 140755, 197057, 281510, 394114, 563020, 788228, 985285, 1379399, 1970570, 2758798, 3941140, 5517596, 6896995, 13793990, 27587980]

約数ペア:

[(1, 27587980), (2, 13793990), (4, 6896995), (5, 5517596), (7, 3941140), (10, 2758798), (14, 1970570), (20, 1379399), (28, 985285), (35, 788228), (49, 563020), (70, 394114), (98, 281510), (140, 197057), (196, 140755), (245, 112604), (490, 56302), (980, 28151)]