499016960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29989}}^1$

素因数の和:30023

約数の個数: 72

約数和(自身を含む): 1287290760

約数和(自身を除く): 788273800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 29989, 59978, 119956, 149945, 239912, 299890, 389857, 479824, 599780, 779714, 959648, 1199560, 1559428, 1919296, 1949285, 2399120, 3118856, 3838592, 3898570, 4798240, 6237712, 7677184, 7797140, 9596480, 12475424, 15594280, 19192960, 24950848, 31188560, 38385920, 49901696, 62377120, 99803392, 124754240, 249508480, 499016960]

約数ペア:

[(1, 499016960), (2, 249508480), (4, 124754240), (5, 99803392), (8, 62377120), (10, 49901696), (13, 38385920), (16, 31188560), (20, 24950848), (26, 19192960), (32, 15594280), (40, 12475424), (52, 9596480), (64, 7797140), (65, 7677184), (80, 6237712), (104, 4798240), (128, 3898570), (130, 3838592), (160, 3118856), (208, 2399120), (256, 1949285), (260, 1919296), (320, 1559428), (416, 1199560), (520, 959648), (640, 779714), (832, 599780), (1040, 479824), (1280, 389857), (1664, 299890), (2080, 239912), (3328, 149945), (4160, 119956), (8320, 59978), (16640, 29989)]