39395860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{641}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 94913280

約数和(自身を除く): 55517420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439, 641, 878, 1282, 1756, 2195, 2564, 3073, 3205, 4390, 4487, 6146, 6410, 8780, 8974, 12292, 12820, 15365, 17948, 22435, 30730, 44870, 61460, 89740, 281399, 562798, 1125596, 1406995, 1969793, 2813990, 3939586, 5627980, 7879172, 9848965, 19697930, 39395860]

約数ペア:

[(1, 39395860), (2, 19697930), (4, 9848965), (5, 7879172), (7, 5627980), (10, 3939586), (14, 2813990), (20, 1969793), (28, 1406995), (35, 1125596), (70, 562798), (140, 281399), (439, 89740), (641, 61460), (878, 44870), (1282, 30730), (1756, 22435), (2195, 17948), (2564, 15365), (3073, 12820), (3205, 12292), (4390, 8974), (4487, 8780), (6146, 6410)]