2008789490

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{769}}^1\times {\mathrm{2693}}^1$

素因数の和:3566

約数の個数: 32

約数和(自身を含む): 3659206320

約数和(自身を除く): 1650416830

約数列:

[1, 2, 5, 10, 97, 194, 485, 769, 970, 1538, 2693, 3845, 5386, 7690, 13465, 26930, 74593, 149186, 261221, 372965, 522442, 745930, 1306105, 2070917, 2612210, 4141834, 10354585, 20709170, 200878949, 401757898, 1004394745, 2008789490]

約数ペア:

[(1, 2008789490), (2, 1004394745), (5, 401757898), (10, 200878949), (97, 20709170), (194, 10354585), (485, 4141834), (769, 2612210), (970, 2070917), (1538, 1306105), (2693, 745930), (3845, 522442), (5386, 372965), (7690, 261221), (13465, 149186), (26930, 74593)]