198444800

素因数分解:

$2^8\times 5^2\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:434

約数の個数: 108

約数和(自身を含む): 497660856

約数和(自身を除く): 299216056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 101, 128, 160, 200, 202, 256, 307, 320, 400, 404, 505, 614, 640, 800, 808, 1010, 1228, 1280, 1535, 1600, 1616, 2020, 2456, 2525, 3070, 3200, 3232, 4040, 4912, 5050, 6140, 6400, 6464, 7675, 8080, 9824, 10100, 12280, 12928, 15350, 16160, 19648, 20200, 24560, 25856, 30700, 31007, 32320, 39296, 40400, 49120, 61400, 62014, 64640, 78592, 80800, 98240, 122800, 124028, 129280, 155035, 161600, 196480, 245600, 248056, 310070, 323200, 392960, 491200, 496112, 620140, 646400, 775175, 982400, 992224, 1240280, 1550350, 1964800, 1984448, 2480560, 3100700, 3968896, 4961120, 6201400, 7937792, 9922240, 12402800, 19844480, 24805600, 39688960, 49611200, 99222400, 198444800]

約数ペア:

[(1, 198444800), (2, 99222400), (4, 49611200), (5, 39688960), (8, 24805600), (10, 19844480), (16, 12402800), (20, 9922240), (25, 7937792), (32, 6201400), (40, 4961120), (50, 3968896), (64, 3100700), (80, 2480560), (100, 1984448), (101, 1964800), (128, 1550350), (160, 1240280), (200, 992224), (202, 982400), (256, 775175), (307, 646400), (320, 620140), (400, 496112), (404, 491200), (505, 392960), (614, 323200), (640, 310070), (800, 248056), (808, 245600), (1010, 196480), (1228, 161600), (1280, 155035), (1535, 129280), (1600, 124028), (1616, 122800), (2020, 98240), (2456, 80800), (2525, 78592), (3070, 64640), (3200, 62014), (3232, 61400), (4040, 49120), (4912, 40400), (5050, 39296), (6140, 32320), (6400, 31007), (6464, 30700), (7675, 25856), (8080, 24560), (9824, 20200), (10100, 19648), (12280, 16160), (12928, 15350)]