100142980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3631}}^1$

素因数の和:3844

約数の個数: 48

約数和(自身を含む): 241629696

約数和(自身を除く): 141486716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3631, 3940, 5516, 6895, 7262, 13790, 14524, 18155, 25417, 27580, 36310, 50834, 72620, 101668, 127085, 254170, 508340, 715307, 1430614, 2861228, 3576535, 5007149, 7153070, 10014298, 14306140, 20028596, 25035745, 50071490, 100142980]

約数ペア:

[(1, 100142980), (2, 50071490), (4, 25035745), (5, 20028596), (7, 14306140), (10, 10014298), (14, 7153070), (20, 5007149), (28, 3576535), (35, 2861228), (70, 1430614), (140, 715307), (197, 508340), (394, 254170), (788, 127085), (985, 101668), (1379, 72620), (1970, 50834), (2758, 36310), (3631, 27580), (3940, 25417), (5516, 18155), (6895, 14524), (7262, 13790)]