220157780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{1493}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 473621904

約数和(自身を除く): 253464124

約数列:

[1, 2, 4, 5, 10, 20, 73, 101, 146, 202, 292, 365, 404, 505, 730, 1010, 1460, 1493, 2020, 2986, 5972, 7373, 7465, 14746, 14930, 29492, 29860, 36865, 73730, 108989, 147460, 150793, 217978, 301586, 435956, 544945, 603172, 753965, 1089890, 1507930, 2179780, 3015860, 11007889, 22015778, 44031556, 55039445, 110078890, 220157780]

約数ペア:

[(1, 220157780), (2, 110078890), (4, 55039445), (5, 44031556), (10, 22015778), (20, 11007889), (73, 3015860), (101, 2179780), (146, 1507930), (202, 1089890), (292, 753965), (365, 603172), (404, 544945), (505, 435956), (730, 301586), (1010, 217978), (1460, 150793), (1493, 147460), (2020, 108989), (2986, 73730), (5972, 36865), (7373, 29860), (7465, 29492), (14746, 14930)]