2001844240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^2\times {\mathrm{223}}^1$

素因数の和:449

約数の個数: 120

約数和(自身を含む): 5151170304

約数和(自身を除く): 3149326064

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 223, 404, 440, 446, 505, 808, 880, 892, 1010, 1111, 1115, 1616, 1784, 2020, 2222, 2230, 2453, 3568, 4040, 4444, 4460, 4906, 5555, 8080, 8888, 8920, 9812, 10201, 11110, 12265, 17776, 17840, 19624, 20402, 22220, 22523, 24530, 39248, 40804, 44440, 45046, 49060, 51005, 81608, 88880, 90092, 98120, 102010, 112211, 112615, 163216, 180184, 196240, 204020, 224422, 225230, 247753, 360368, 408040, 448844, 450460, 495506, 561055, 816080, 897688, 900920, 991012, 1122110, 1238765, 1795376, 1801840, 1982024, 2244220, 2274823, 2477530, 3964048, 4488440, 4549646, 4955060, 8976880, 9099292, 9910120, 11374115, 18198584, 19820240, 22748230, 25023053, 36397168, 45496460, 50046106, 90992920, 100092212, 125115265, 181985840, 200184424, 250230530, 400368848, 500461060, 1000922120, 2001844240]

約数ペア:

[(1, 2001844240), (2, 1000922120), (4, 500461060), (5, 400368848), (8, 250230530), (10, 200184424), (11, 181985840), (16, 125115265), (20, 100092212), (22, 90992920), (40, 50046106), (44, 45496460), (55, 36397168), (80, 25023053), (88, 22748230), (101, 19820240), (110, 18198584), (176, 11374115), (202, 9910120), (220, 9099292), (223, 8976880), (404, 4955060), (440, 4549646), (446, 4488440), (505, 3964048), (808, 2477530), (880, 2274823), (892, 2244220), (1010, 1982024), (1111, 1801840), (1115, 1795376), (1616, 1238765), (1784, 1122110), (2020, 991012), (2222, 900920), (2230, 897688), (2453, 816080), (3568, 561055), (4040, 495506), (4444, 450460), (4460, 448844), (4906, 408040), (5555, 360368), (8080, 247753), (8888, 225230), (8920, 224422), (9812, 204020), (10201, 196240), (11110, 180184), (12265, 163216), (17776, 112615), (17840, 112211), (19624, 102010), (20402, 98120), (22220, 90092), (22523, 88880), (24530, 81608), (39248, 51005), (40804, 49060), (44440, 45046)]