248249920

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7681}}^1$

素因数の和:7799

約数の個数: 56

約数和(自身を含む): 597075768

約数和(自身を除く): 348825848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 6464, 7681, 8080, 15362, 16160, 30724, 32320, 38405, 61448, 76810, 122896, 153620, 245792, 307240, 491584, 614480, 775781, 1228960, 1551562, 2457920, 3103124, 3878905, 6206248, 7757810, 12412496, 15515620, 24824992, 31031240, 49649984, 62062480, 124124960, 248249920]

約数ペア:

[(1, 248249920), (2, 124124960), (4, 62062480), (5, 49649984), (8, 31031240), (10, 24824992), (16, 15515620), (20, 12412496), (32, 7757810), (40, 6206248), (64, 3878905), (80, 3103124), (101, 2457920), (160, 1551562), (202, 1228960), (320, 775781), (404, 614480), (505, 491584), (808, 307240), (1010, 245792), (1616, 153620), (2020, 122896), (3232, 76810), (4040, 61448), (6464, 38405), (7681, 32320), (8080, 30724), (15362, 16160)]