1320897025

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{443999}}^1$

素因数の和:444033

約数の個数: 24

約数和(自身を含む): 1982016000

約数和(自身を除く): 661118975

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 443999, 2219995, 3107993, 7547983, 11099975, 15539965, 37739915, 52835881, 77699825, 188699575, 264179405, 1320897025]

約数ペア:

[(1, 1320897025), (5, 264179405), (7, 188699575), (17, 77699825), (25, 52835881), (35, 37739915), (85, 15539965), (119, 11099975), (175, 7547983), (425, 3107993), (595, 2219995), (2975, 443999)]