27880790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20963}}^1$

素因数の和:20996

約数の個数: 32

約数和(自身を含む): 60376320

約数和(自身を除く): 32495530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 20963, 41926, 104815, 146741, 209630, 293482, 398297, 733705, 796594, 1467410, 1991485, 2788079, 3982970, 5576158, 13940395, 27880790]

約数ペア:

[(1, 27880790), (2, 13940395), (5, 5576158), (7, 3982970), (10, 2788079), (14, 1991485), (19, 1467410), (35, 796594), (38, 733705), (70, 398297), (95, 293482), (133, 209630), (190, 146741), (266, 104815), (665, 41926), (1330, 20963)]