201672220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{827}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 431917920

約数和(自身を除く): 230245700

約数列:

[1, 2, 4, 5, 10, 20, 89, 137, 178, 274, 356, 445, 548, 685, 827, 890, 1370, 1654, 1780, 2740, 3308, 4135, 8270, 12193, 16540, 24386, 48772, 60965, 73603, 113299, 121930, 147206, 226598, 243860, 294412, 368015, 453196, 566495, 736030, 1132990, 1472060, 2265980, 10083611, 20167222, 40334444, 50418055, 100836110, 201672220]

約数ペア:

[(1, 201672220), (2, 100836110), (4, 50418055), (5, 40334444), (10, 20167222), (20, 10083611), (89, 2265980), (137, 1472060), (178, 1132990), (274, 736030), (356, 566495), (445, 453196), (548, 368015), (685, 294412), (827, 243860), (890, 226598), (1370, 147206), (1654, 121930), (1780, 113299), (2740, 73603), (3308, 60965), (4135, 48772), (8270, 24386), (12193, 16540)]