399135960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1108711}}^1$

素因数の和:1108728

約数の個数: 48

約数和(自身を含む): 1297193040

約数和(自身を除く): 898057080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1108711, 2217422, 3326133, 4434844, 5543555, 6652266, 8869688, 9978399, 11087110, 13304532, 16630665, 19956798, 22174220, 26609064, 33261330, 39913596, 44348440, 49891995, 66522660, 79827192, 99783990, 133045320, 199567980, 399135960]

約数ペア:

[(1, 399135960), (2, 199567980), (3, 133045320), (4, 99783990), (5, 79827192), (6, 66522660), (8, 49891995), (9, 44348440), (10, 39913596), (12, 33261330), (15, 26609064), (18, 22174220), (20, 19956798), (24, 16630665), (30, 13304532), (36, 11087110), (40, 9978399), (45, 8869688), (60, 6652266), (72, 5543555), (90, 4434844), (120, 3326133), (180, 2217422), (360, 1108711)]