4987220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{727}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 12230400

約数和(自身を除く): 7243180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 727, 980, 1372, 1454, 1715, 2908, 3430, 3635, 5089, 6860, 7270, 10178, 14540, 20356, 25445, 35623, 50890, 71246, 101780, 142492, 178115, 249361, 356230, 498722, 712460, 997444, 1246805, 2493610, 4987220]

約数ペア:

[(1, 4987220), (2, 2493610), (4, 1246805), (5, 997444), (7, 712460), (10, 498722), (14, 356230), (20, 249361), (28, 178115), (35, 142492), (49, 101780), (70, 71246), (98, 50890), (140, 35623), (196, 25445), (245, 20356), (343, 14540), (490, 10178), (686, 7270), (727, 6860), (980, 5089), (1372, 3635), (1454, 3430), (1715, 2908)]