254131990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{9479}}^1$

素因数の和:9876

約数の個数: 32

約数和(自身を含む): 524206080

約数和(自身を除く): 270074090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 383, 766, 1915, 2681, 3830, 5362, 9479, 13405, 18958, 26810, 47395, 66353, 94790, 132706, 331765, 663530, 3630457, 7260914, 18152285, 25413199, 36304570, 50826398, 127065995, 254131990]

約数ペア:

[(1, 254131990), (2, 127065995), (5, 50826398), (7, 36304570), (10, 25413199), (14, 18152285), (35, 7260914), (70, 3630457), (383, 663530), (766, 331765), (1915, 132706), (2681, 94790), (3830, 66353), (5362, 47395), (9479, 26810), (13405, 18958)]