488014520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{248987}}^1$

素因数の和:249012

約数の個数: 48

約数和(自身を含む): 1277308440

約数和(自身を除く): 789293920

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, 248987, 497974, 995948, 1244935, 1742909, 1991896, 2489870, 3485818, 4979740, 6971636, 8714545, 9959480, 12200363, 13943272, 17429090, 24400726, 34858180, 48801452, 61001815, 69716360, 97602904, 122003630, 244007260, 488014520]

約数ペア:

[(1, 488014520), (2, 244007260), (4, 122003630), (5, 97602904), (7, 69716360), (8, 61001815), (10, 48801452), (14, 34858180), (20, 24400726), (28, 17429090), (35, 13943272), (40, 12200363), (49, 9959480), (56, 8714545), (70, 6971636), (98, 4979740), (140, 3485818), (196, 2489870), (245, 1991896), (280, 1742909), (392, 1244935), (490, 995948), (980, 497974), (1960, 248987)]