127635940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{997}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 277148592

約数和(自身を除く): 149512652

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 173, 185, 346, 370, 692, 740, 865, 997, 1730, 1994, 3460, 3988, 4985, 6401, 9970, 12802, 19940, 25604, 32005, 36889, 64010, 73778, 128020, 147556, 172481, 184445, 344962, 368890, 689924, 737780, 862405, 1724810, 3449620, 6381797, 12763594, 25527188, 31908985, 63817970, 127635940]

約数ペア:

[(1, 127635940), (2, 63817970), (4, 31908985), (5, 25527188), (10, 12763594), (20, 6381797), (37, 3449620), (74, 1724810), (148, 862405), (173, 737780), (185, 689924), (346, 368890), (370, 344962), (692, 184445), (740, 172481), (865, 147556), (997, 128020), (1730, 73778), (1994, 64010), (3460, 36889), (3988, 32005), (4985, 25604), (6401, 19940), (9970, 12802)]