218880500

素因数分解:

$2^2\times 5^3\times {\mathrm{97}}^1\times {\mathrm{4513}}^1$

素因数の和:4629

約数の個数: 48

約数和(自身を含む): 483070224

約数和(自身を除く): 264189724

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 125, 194, 250, 388, 485, 500, 970, 1940, 2425, 4513, 4850, 9026, 9700, 12125, 18052, 22565, 24250, 45130, 48500, 90260, 112825, 225650, 437761, 451300, 564125, 875522, 1128250, 1751044, 2188805, 2256500, 4377610, 8755220, 10944025, 21888050, 43776100, 54720125, 109440250, 218880500]

約数ペア:

[(1, 218880500), (2, 109440250), (4, 54720125), (5, 43776100), (10, 21888050), (20, 10944025), (25, 8755220), (50, 4377610), (97, 2256500), (100, 2188805), (125, 1751044), (194, 1128250), (250, 875522), (388, 564125), (485, 451300), (500, 437761), (970, 225650), (1940, 112825), (2425, 90260), (4513, 48500), (4850, 45130), (9026, 24250), (9700, 22565), (12125, 18052)]