208164040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4561}}^1$

素因数の和:4742

約数の個数: 64

約数和(自身を含む): 538680960

約数和(自身を除く): 330516920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1630, 2282, 3260, 4561, 4564, 5705, 6520, 9122, 9128, 11410, 18244, 22805, 22820, 31927, 36488, 45610, 45640, 63854, 91220, 127708, 159635, 182440, 255416, 319270, 638540, 743443, 1277080, 1486886, 2973772, 3717215, 5204101, 5947544, 7434430, 10408202, 14868860, 20816404, 26020505, 29737720, 41632808, 52041010, 104082020, 208164040]

約数ペア:

[(1, 208164040), (2, 104082020), (4, 52041010), (5, 41632808), (7, 29737720), (8, 26020505), (10, 20816404), (14, 14868860), (20, 10408202), (28, 7434430), (35, 5947544), (40, 5204101), (56, 3717215), (70, 2973772), (140, 1486886), (163, 1277080), (280, 743443), (326, 638540), (652, 319270), (815, 255416), (1141, 182440), (1304, 159635), (1630, 127708), (2282, 91220), (3260, 63854), (4561, 45640), (4564, 45610), (5705, 36488), (6520, 31927), (9122, 22820), (9128, 22805), (11410, 18244)]