201338380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{577}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 431141760

約数和(自身を除く): 229803380

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 239, 292, 365, 478, 577, 730, 956, 1154, 1195, 1460, 2308, 2390, 2885, 4780, 5770, 11540, 17447, 34894, 42121, 69788, 84242, 87235, 137903, 168484, 174470, 210605, 275806, 348940, 421210, 551612, 689515, 842420, 1379030, 2758060, 10066919, 20133838, 40267676, 50334595, 100669190, 201338380]

約数ペア:

[(1, 201338380), (2, 100669190), (4, 50334595), (5, 40267676), (10, 20133838), (20, 10066919), (73, 2758060), (146, 1379030), (239, 842420), (292, 689515), (365, 551612), (478, 421210), (577, 348940), (730, 275806), (956, 210605), (1154, 174470), (1195, 168484), (1460, 137903), (2308, 87235), (2390, 84242), (2885, 69788), (4780, 42121), (5770, 34894), (11540, 17447)]