54468890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1249}}^1$

素因数の和:1359

約数の個数: 48

約数和(自身を含む): 115425000

約数和(自身を除く): 60956110

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 445, 490, 623, 890, 1246, 1249, 2498, 3115, 4361, 6230, 6245, 8722, 8743, 12490, 17486, 21805, 43610, 43715, 61201, 87430, 111161, 122402, 222322, 306005, 555805, 612010, 778127, 1111610, 1556254, 3890635, 5446889, 7781270, 10893778, 27234445, 54468890]

約数ペア:

[(1, 54468890), (2, 27234445), (5, 10893778), (7, 7781270), (10, 5446889), (14, 3890635), (35, 1556254), (49, 1111610), (70, 778127), (89, 612010), (98, 555805), (178, 306005), (245, 222322), (445, 122402), (490, 111161), (623, 87430), (890, 61201), (1246, 43715), (1249, 43610), (2498, 21805), (3115, 17486), (4361, 12490), (6230, 8743), (6245, 8722)]