84350980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2129}}^1$

素因数の和:2428

約数の個数: 48

約数和(自身を含む): 203253120

約数和(自身を除く): 118902140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1415, 1981, 2129, 2830, 3962, 4258, 5660, 7924, 8516, 9905, 10645, 14903, 19810, 21290, 29806, 39620, 42580, 59612, 74515, 149030, 298060, 602507, 1205014, 2410028, 3012535, 4217549, 6025070, 8435098, 12050140, 16870196, 21087745, 42175490, 84350980]

約数ペア:

[(1, 84350980), (2, 42175490), (4, 21087745), (5, 16870196), (7, 12050140), (10, 8435098), (14, 6025070), (20, 4217549), (28, 3012535), (35, 2410028), (70, 1205014), (140, 602507), (283, 298060), (566, 149030), (1132, 74515), (1415, 59612), (1981, 42580), (2129, 39620), (2830, 29806), (3962, 21290), (4258, 19810), (5660, 14903), (7924, 10645), (8516, 9905)]