89082980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{90901}}^1$

素因数の和:90924

約数の個数: 36

約数和(自身を含む): 217619388

約数和(自身を除く): 128536408

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 90901, 181802, 363604, 454505, 636307, 909010, 1272614, 1818020, 2545228, 3181535, 4454149, 6363070, 8908298, 12726140, 17816596, 22270745, 44541490, 89082980]

約数ペア:

[(1, 89082980), (2, 44541490), (4, 22270745), (5, 17816596), (7, 12726140), (10, 8908298), (14, 6363070), (20, 4454149), (28, 3181535), (35, 2545228), (49, 1818020), (70, 1272614), (98, 909010), (140, 636307), (196, 454505), (245, 363604), (490, 181802), (980, 90901)]