213589020980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{567181}}^1$

素因数の和:568200

約数の個数: 48

約数和(自身を含む): 472621416960

約数和(自身を除く): 259032395980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 991, 1982, 3964, 4955, 9910, 18829, 19820, 37658, 75316, 94145, 188290, 376580, 567181, 1134362, 2268724, 2835905, 5671810, 10776439, 11343620, 21552878, 43105756, 53882195, 107764390, 215528780, 562076371, 1124152742, 2248305484, 2810381855, 5620763710, 10679451049, 11241527420, 21358902098, 42717804196, 53397255245, 106794510490, 213589020980]

約数ペア:

[(1, 213589020980), (2, 106794510490), (4, 53397255245), (5, 42717804196), (10, 21358902098), (19, 11241527420), (20, 10679451049), (38, 5620763710), (76, 2810381855), (95, 2248305484), (190, 1124152742), (380, 562076371), (991, 215528780), (1982, 107764390), (3964, 53882195), (4955, 43105756), (9910, 21552878), (18829, 11343620), (19820, 10776439), (37658, 5671810), (75316, 2835905), (94145, 2268724), (188290, 1134362), (376580, 567181)]