199022980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5507}}^1$

素因数の和:5668

約数の個数: 48

約数和(自身を含む): 453418560

約数和(自身を除く): 254395580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 5507, 7228, 9035, 11014, 18070, 22028, 27535, 36140, 55070, 71591, 110140, 143182, 286364, 357955, 715910, 765473, 1431820, 1530946, 3061892, 3827365, 7654730, 9951149, 15309460, 19902298, 39804596, 49755745, 99511490, 199022980]

約数ペア:

[(1, 199022980), (2, 99511490), (4, 49755745), (5, 39804596), (10, 19902298), (13, 15309460), (20, 9951149), (26, 7654730), (52, 3827365), (65, 3061892), (130, 1530946), (139, 1431820), (260, 765473), (278, 715910), (556, 357955), (695, 286364), (1390, 143182), (1807, 110140), (2780, 71591), (3614, 55070), (5507, 36140), (7228, 27535), (9035, 22028), (11014, 18070)]