54742420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2029}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 122774400

約数和(自身を除く): 68031980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2029, 2698, 4058, 5396, 6745, 8116, 10145, 13490, 20290, 26980, 38551, 40580, 77102, 144059, 154204, 192755, 288118, 385510, 576236, 720295, 771020, 1440590, 2737121, 2881180, 5474242, 10948484, 13685605, 27371210, 54742420]

約数ペア:

[(1, 54742420), (2, 27371210), (4, 13685605), (5, 10948484), (10, 5474242), (19, 2881180), (20, 2737121), (38, 1440590), (71, 771020), (76, 720295), (95, 576236), (142, 385510), (190, 288118), (284, 192755), (355, 154204), (380, 144059), (710, 77102), (1349, 40580), (1420, 38551), (2029, 26980), (2698, 20290), (4058, 13490), (5396, 10145), (6745, 8116)]