4279220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 10015488

約数和(自身を除く): 5736268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 367, 530, 583, 734, 1060, 1166, 1468, 1835, 2332, 2915, 3670, 4037, 5830, 7340, 8074, 11660, 16148, 19451, 20185, 38902, 40370, 77804, 80740, 97255, 194510, 213961, 389020, 427922, 855844, 1069805, 2139610, 4279220]

約数ペア:

[(1, 4279220), (2, 2139610), (4, 1069805), (5, 855844), (10, 427922), (11, 389020), (20, 213961), (22, 194510), (44, 97255), (53, 80740), (55, 77804), (106, 40370), (110, 38902), (212, 20185), (220, 19451), (265, 16148), (367, 11660), (530, 8074), (583, 7340), (734, 5830), (1060, 4037), (1166, 3670), (1468, 2915), (1835, 2332)]