208022620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{2089}}^1$

素因数の和:2494

約数の個数: 48

約数和(自身を含む): 471905280

約数和(自身を除く): 263882660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 383, 766, 1532, 1915, 2089, 3830, 4178, 4979, 7660, 8356, 9958, 10445, 19916, 20890, 24895, 27157, 41780, 49790, 54314, 99580, 108628, 135785, 271570, 543140, 800087, 1600174, 3200348, 4000435, 8000870, 10401131, 16001740, 20802262, 41604524, 52005655, 104011310, 208022620]

約数ペア:

[(1, 208022620), (2, 104011310), (4, 52005655), (5, 41604524), (10, 20802262), (13, 16001740), (20, 10401131), (26, 8000870), (52, 4000435), (65, 3200348), (130, 1600174), (260, 800087), (383, 543140), (766, 271570), (1532, 135785), (1915, 108628), (2089, 99580), (3830, 54314), (4178, 49790), (4979, 41780), (7660, 27157), (8356, 24895), (9958, 20890), (10445, 19916)]