199189380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{255371}}^1$

素因数の和:255396

約数の個数: 48

約数和(自身を含む): 600634944

約数和(自身を除く): 401445564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 255371, 510742, 766113, 1021484, 1276855, 1532226, 2553710, 3064452, 3319823, 3830565, 5107420, 6639646, 7661130, 9959469, 13279292, 15322260, 16599115, 19918938, 33198230, 39837876, 49797345, 66396460, 99594690, 199189380]

約数ペア:

[(1, 199189380), (2, 99594690), (3, 66396460), (4, 49797345), (5, 39837876), (6, 33198230), (10, 19918938), (12, 16599115), (13, 15322260), (15, 13279292), (20, 9959469), (26, 7661130), (30, 6639646), (39, 5107420), (52, 3830565), (60, 3319823), (65, 3064452), (78, 2553710), (130, 1532226), (156, 1276855), (195, 1021484), (260, 766113), (390, 510742), (780, 255371)]