220196890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{5197}}^1$

素因数の和:5446

約数の個数: 32

約数和(自身を含む): 419166720

約数和(自身を除く): 198969830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 223, 446, 1115, 2230, 4237, 5197, 8474, 10394, 21185, 25985, 42370, 51970, 98743, 197486, 493715, 987430, 1158931, 2317862, 5794655, 11589310, 22019689, 44039378, 110098445, 220196890]

約数ペア:

[(1, 220196890), (2, 110098445), (5, 44039378), (10, 22019689), (19, 11589310), (38, 5794655), (95, 2317862), (190, 1158931), (223, 987430), (446, 493715), (1115, 197486), (2230, 98743), (4237, 51970), (5197, 42370), (8474, 25985), (10394, 21185)]