209215890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{178817}}^1$

素因数の和:178843

約数の個数: 48

約数和(自身を含む): 585807768

約数和(自身を除く): 376591878

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 178817, 357634, 536451, 894085, 1072902, 1609353, 1788170, 2324621, 2682255, 3218706, 4649242, 5364510, 6973863, 8046765, 11623105, 13947726, 16093530, 20921589, 23246210, 34869315, 41843178, 69738630, 104607945, 209215890]

約数ペア:

[(1, 209215890), (2, 104607945), (3, 69738630), (5, 41843178), (6, 34869315), (9, 23246210), (10, 20921589), (13, 16093530), (15, 13947726), (18, 11623105), (26, 8046765), (30, 6973863), (39, 5364510), (45, 4649242), (65, 3218706), (78, 2682255), (90, 2324621), (117, 1788170), (130, 1609353), (195, 1072902), (234, 894085), (390, 536451), (585, 357634), (1170, 178817)]