219567940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{1489}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 472353840

約数和(自身を除く): 252785900

約数列:

[1, 2, 4, 5, 10, 20, 73, 101, 146, 202, 292, 365, 404, 505, 730, 1010, 1460, 1489, 2020, 2978, 5956, 7373, 7445, 14746, 14890, 29492, 29780, 36865, 73730, 108697, 147460, 150389, 217394, 300778, 434788, 543485, 601556, 751945, 1086970, 1503890, 2173940, 3007780, 10978397, 21956794, 43913588, 54891985, 109783970, 219567940]

約数ペア:

[(1, 219567940), (2, 109783970), (4, 54891985), (5, 43913588), (10, 21956794), (20, 10978397), (73, 3007780), (101, 2173940), (146, 1503890), (202, 1086970), (292, 751945), (365, 601556), (404, 543485), (505, 434788), (730, 300778), (1010, 217394), (1460, 150389), (1489, 147460), (2020, 108697), (2978, 73730), (5956, 36865), (7373, 29780), (7445, 29492), (14746, 14890)]