289293560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{2207}}^1$

素因数の和:2360

約数の個数: 64

約数和(自身を含む): 679622400

約数和(自身を除く): 390328840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 113, 116, 145, 226, 232, 290, 452, 565, 580, 904, 1130, 1160, 2207, 2260, 3277, 4414, 4520, 6554, 8828, 11035, 13108, 16385, 17656, 22070, 26216, 32770, 44140, 64003, 65540, 88280, 128006, 131080, 249391, 256012, 320015, 498782, 512024, 640030, 997564, 1246955, 1280060, 1995128, 2493910, 2560120, 4987820, 7232339, 9975640, 14464678, 28929356, 36161695, 57858712, 72323390, 144646780, 289293560]

約数ペア:

[(1, 289293560), (2, 144646780), (4, 72323390), (5, 57858712), (8, 36161695), (10, 28929356), (20, 14464678), (29, 9975640), (40, 7232339), (58, 4987820), (113, 2560120), (116, 2493910), (145, 1995128), (226, 1280060), (232, 1246955), (290, 997564), (452, 640030), (565, 512024), (580, 498782), (904, 320015), (1130, 256012), (1160, 249391), (2207, 131080), (2260, 128006), (3277, 88280), (4414, 65540), (4520, 64003), (6554, 44140), (8828, 32770), (11035, 26216), (13108, 22070), (16385, 17656)]