200840515

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 256608000

約数和(自身を除く): 55767485

約数列:

[1, 5, 29, 79, 89, 145, 197, 395, 445, 985, 2291, 2581, 5713, 7031, 11455, 12905, 15563, 17533, 28565, 35155, 77815, 87665, 203899, 451327, 508457, 1019495, 1385107, 2256635, 2542285, 6925535, 40168103, 200840515]

約数ペア:

[(1, 200840515), (5, 40168103), (29, 6925535), (79, 2542285), (89, 2256635), (145, 1385107), (197, 1019495), (395, 508457), (445, 451327), (985, 203899), (2291, 87665), (2581, 77815), (5713, 35155), (7031, 28565), (11455, 17533), (12905, 15563)]