201817778840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{906313}}^1$

素因数の和:906636

約数の個数: 64

約数和(自身を含む): 479621368800

約数和(自身を除く): 277803589960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 293, 380, 586, 760, 1172, 1465, 2344, 2930, 5567, 5860, 11134, 11720, 22268, 27835, 44536, 55670, 111340, 222680, 906313, 1812626, 3625252, 4531565, 7250504, 9063130, 17219947, 18126260, 34439894, 36252520, 68879788, 86099735, 137759576, 172199470, 265549709, 344398940, 531099418, 688797880, 1062198836, 1327748545, 2124397672, 2655497090, 5045444471, 5310994180, 10090888942, 10621988360, 20181777884, 25227222355, 40363555768, 50454444710, 100908889420, 201817778840]

約数ペア:

[(1, 201817778840), (2, 100908889420), (4, 50454444710), (5, 40363555768), (8, 25227222355), (10, 20181777884), (19, 10621988360), (20, 10090888942), (38, 5310994180), (40, 5045444471), (76, 2655497090), (95, 2124397672), (152, 1327748545), (190, 1062198836), (293, 688797880), (380, 531099418), (586, 344398940), (760, 265549709), (1172, 172199470), (1465, 137759576), (2344, 86099735), (2930, 68879788), (5567, 36252520), (5860, 34439894), (11134, 18126260), (11720, 17219947), (22268, 9063130), (27835, 7250504), (44536, 4531565), (55670, 3625252), (111340, 1812626), (222680, 906313)]