2873780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1579}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 7432320

約数和(自身を除く): 4558540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1579, 1820, 3158, 6316, 7895, 11053, 15790, 20527, 22106, 31580, 41054, 44212, 55265, 82108, 102635, 110530, 143689, 205270, 221060, 287378, 410540, 574756, 718445, 1436890, 2873780]

約数ペア:

[(1, 2873780), (2, 1436890), (4, 718445), (5, 574756), (7, 410540), (10, 287378), (13, 221060), (14, 205270), (20, 143689), (26, 110530), (28, 102635), (35, 82108), (52, 55265), (65, 44212), (70, 41054), (91, 31580), (130, 22106), (140, 20527), (182, 15790), (260, 11053), (364, 7895), (455, 6316), (910, 3158), (1579, 1820)]