30872270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21589}}^1$

素因数の和:21620

約数の個数: 32

約数和(自身を含む): 65288160

約数和(自身を除く): 34415890

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 21589, 43178, 107945, 215890, 237479, 280657, 474958, 561314, 1187395, 1403285, 2374790, 2806570, 3087227, 6174454, 15436135, 30872270]

約数ペア:

[(1, 30872270), (2, 15436135), (5, 6174454), (10, 3087227), (11, 2806570), (13, 2374790), (22, 1403285), (26, 1187395), (55, 561314), (65, 474958), (110, 280657), (130, 237479), (143, 215890), (286, 107945), (715, 43178), (1430, 21589)]