128450260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{338027}}^1$

素因数の和:338055

約数の個数: 24

約数和(自身を含む): 283943520

約数和(自身を除く): 155493260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 338027, 676054, 1352108, 1690135, 3380270, 6422513, 6760540, 12845026, 25690052, 32112565, 64225130, 128450260]

約数ペア:

[(1, 128450260), (2, 64225130), (4, 32112565), (5, 25690052), (10, 12845026), (19, 6760540), (20, 6422513), (38, 3380270), (76, 1690135), (95, 1352108), (190, 676054), (380, 338027)]