204882020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{3821}}^1$

素因数の和:4220

約数の個数: 48

約数和(自身を含む): 493129728

約数和(自身を除く): 288247708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 383, 766, 1532, 1915, 2681, 3821, 3830, 5362, 7642, 7660, 10724, 13405, 15284, 19105, 26747, 26810, 38210, 53494, 53620, 76420, 106988, 133735, 267470, 534940, 1463443, 2926886, 5853772, 7317215, 10244101, 14634430, 20488202, 29268860, 40976404, 51220505, 102441010, 204882020]

約数ペア:

[(1, 204882020), (2, 102441010), (4, 51220505), (5, 40976404), (7, 29268860), (10, 20488202), (14, 14634430), (20, 10244101), (28, 7317215), (35, 5853772), (70, 2926886), (140, 1463443), (383, 534940), (766, 267470), (1532, 133735), (1915, 106988), (2681, 76420), (3821, 53620), (3830, 53494), (5362, 38210), (7642, 26810), (7660, 26747), (10724, 19105), (13405, 15284)]