13831720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{7057}}^1$

素因数の和:7082

約数の個数: 48

約数和(自身を含む): 36207540

約数和(自身を除く): 22375820

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 7057, 14114, 28228, 35285, 49399, 56456, 70570, 98798, 141140, 197596, 246995, 282280, 345793, 395192, 493990, 691586, 987980, 1383172, 1728965, 1975960, 2766344, 3457930, 6915860, 13831720]

約数ペア:

[(1, 13831720), (2, 6915860), (4, 3457930), (5, 2766344), (7, 1975960), (8, 1728965), (10, 1383172), (14, 987980), (20, 691586), (28, 493990), (35, 395192), (40, 345793), (49, 282280), (56, 246995), (70, 197596), (98, 141140), (140, 98798), (196, 70570), (245, 56456), (280, 49399), (392, 35285), (490, 28228), (980, 14114), (1960, 7057)]