198458800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{26113}}^1$

素因数の和:26150

約数の個数: 60

約数和(自身を含む): 501911080

約数和(自身を除く): 303452280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3800, 7600, 26113, 52226, 104452, 130565, 208904, 261130, 417808, 496147, 522260, 652825, 992294, 1044520, 1305650, 1984588, 2089040, 2480735, 2611300, 3969176, 4961470, 5222600, 7938352, 9922940, 10445200, 12403675, 19845880, 24807350, 39691760, 49614700, 99229400, 198458800]

約数ペア:

[(1, 198458800), (2, 99229400), (4, 49614700), (5, 39691760), (8, 24807350), (10, 19845880), (16, 12403675), (19, 10445200), (20, 9922940), (25, 7938352), (38, 5222600), (40, 4961470), (50, 3969176), (76, 2611300), (80, 2480735), (95, 2089040), (100, 1984588), (152, 1305650), (190, 1044520), (200, 992294), (304, 652825), (380, 522260), (400, 496147), (475, 417808), (760, 261130), (950, 208904), (1520, 130565), (1900, 104452), (3800, 52226), (7600, 26113)]