202284820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 431827200

約数和(自身を除く): 229542380

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 239, 404, 419, 478, 505, 838, 956, 1010, 1195, 1676, 2020, 2095, 2390, 4190, 4780, 8380, 24139, 42319, 48278, 84638, 96556, 100141, 120695, 169276, 200282, 211595, 241390, 400564, 423190, 482780, 500705, 846380, 1001410, 2002820, 10114241, 20228482, 40456964, 50571205, 101142410, 202284820]

約数ペア:

[(1, 202284820), (2, 101142410), (4, 50571205), (5, 40456964), (10, 20228482), (20, 10114241), (101, 2002820), (202, 1001410), (239, 846380), (404, 500705), (419, 482780), (478, 423190), (505, 400564), (838, 241390), (956, 211595), (1010, 200282), (1195, 169276), (1676, 120695), (2020, 100141), (2095, 96556), (2390, 84638), (4190, 48278), (4780, 42319), (8380, 24139)]