254198120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{4549}}^1$

素因数の和:4698

約数の個数: 64

約数和(自身を含む): 628992000

約数和(自身を除く): 374793880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 220, 254, 440, 508, 635, 1016, 1270, 1397, 2540, 2794, 4549, 5080, 5588, 6985, 9098, 11176, 13970, 18196, 22745, 27940, 36392, 45490, 50039, 55880, 90980, 100078, 181960, 200156, 250195, 400312, 500390, 577723, 1000780, 1155446, 2001560, 2310892, 2888615, 4621784, 5777230, 6354953, 11554460, 12709906, 23108920, 25419812, 31774765, 50839624, 63549530, 127099060, 254198120]

約数ペア:

[(1, 254198120), (2, 127099060), (4, 63549530), (5, 50839624), (8, 31774765), (10, 25419812), (11, 23108920), (20, 12709906), (22, 11554460), (40, 6354953), (44, 5777230), (55, 4621784), (88, 2888615), (110, 2310892), (127, 2001560), (220, 1155446), (254, 1000780), (440, 577723), (508, 500390), (635, 400312), (1016, 250195), (1270, 200156), (1397, 181960), (2540, 100078), (2794, 90980), (4549, 55880), (5080, 50039), (5588, 45490), (6985, 36392), (9098, 27940), (11176, 22745), (13970, 18196)]