202069720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{919}}^1$

素因数の和:1192

約数の個数: 64

約数和(自身を含む): 476928000

約数和(自身を除く): 274858280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 239, 460, 478, 919, 920, 956, 1195, 1838, 1912, 2390, 3676, 4595, 4780, 5497, 7352, 9190, 9560, 10994, 18380, 21137, 21988, 27485, 36760, 42274, 43976, 54970, 84548, 105685, 109940, 169096, 211370, 219641, 219880, 422740, 439282, 845480, 878564, 1098205, 1757128, 2196410, 4392820, 5051743, 8785640, 10103486, 20206972, 25258715, 40413944, 50517430, 101034860, 202069720]

約数ペア:

[(1, 202069720), (2, 101034860), (4, 50517430), (5, 40413944), (8, 25258715), (10, 20206972), (20, 10103486), (23, 8785640), (40, 5051743), (46, 4392820), (92, 2196410), (115, 1757128), (184, 1098205), (230, 878564), (239, 845480), (460, 439282), (478, 422740), (919, 219880), (920, 219641), (956, 211370), (1195, 169096), (1838, 109940), (1912, 105685), (2390, 84548), (3676, 54970), (4595, 43976), (4780, 42274), (5497, 36760), (7352, 27485), (9190, 21988), (9560, 21137), (10994, 18380)]