200680220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1117}}^1$

素因数の和:1830

約数の個数: 48

約数和(自身を含む): 454909728

約数和(自身を除く): 254229508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 691, 1117, 1382, 2234, 2764, 3455, 4468, 5585, 6910, 8983, 11170, 13820, 14521, 17966, 22340, 29042, 35932, 44915, 58084, 72605, 89830, 145210, 179660, 290420, 771847, 1543694, 3087388, 3859235, 7718470, 10034011, 15436940, 20068022, 40136044, 50170055, 100340110, 200680220]

約数ペア:

[(1, 200680220), (2, 100340110), (4, 50170055), (5, 40136044), (10, 20068022), (13, 15436940), (20, 10034011), (26, 7718470), (52, 3859235), (65, 3087388), (130, 1543694), (260, 771847), (691, 290420), (1117, 179660), (1382, 145210), (2234, 89830), (2764, 72605), (3455, 58084), (4468, 44915), (5585, 35932), (6910, 29042), (8983, 22340), (11170, 17966), (13820, 14521)]