488691940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1109}}^1\times {\mathrm{2003}}^1$

素因数の和:3132

約数の個数: 48

約数和(自身を含む): 1121117760

約数和(自身を除く): 632425820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1109, 2003, 2218, 4006, 4436, 5545, 8012, 10015, 11090, 12199, 20030, 22033, 22180, 24398, 40060, 44066, 48796, 60995, 88132, 110165, 121990, 220330, 243980, 440660, 2221327, 4442654, 8885308, 11106635, 22213270, 24434597, 44426540, 48869194, 97738388, 122172985, 244345970, 488691940]

約数ペア:

[(1, 488691940), (2, 244345970), (4, 122172985), (5, 97738388), (10, 48869194), (11, 44426540), (20, 24434597), (22, 22213270), (44, 11106635), (55, 8885308), (110, 4442654), (220, 2221327), (1109, 440660), (2003, 243980), (2218, 220330), (4006, 121990), (4436, 110165), (5545, 88132), (8012, 60995), (10015, 48796), (11090, 44066), (12199, 40060), (20030, 24398), (22033, 22180)]