200207408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1693}}^1$

素因数の和:2109

約数の個数: 40

約数和(自身を含む): 409609200

約数和(自身を除く): 209401792

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 389, 778, 1556, 1693, 3112, 3386, 6224, 6772, 7391, 13544, 14782, 27088, 29564, 32167, 59128, 64334, 118256, 128668, 257336, 514672, 658577, 1317154, 2634308, 5268616, 10537232, 12512963, 25025926, 50051852, 100103704, 200207408]

約数ペア:

[(1, 200207408), (2, 100103704), (4, 50051852), (8, 25025926), (16, 12512963), (19, 10537232), (38, 5268616), (76, 2634308), (152, 1317154), (304, 658577), (389, 514672), (778, 257336), (1556, 128668), (1693, 118256), (3112, 64334), (3386, 59128), (6224, 32167), (6772, 29564), (7391, 27088), (13544, 14782)]