38190020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 90448512

約数和(自身を除く): 52258492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 172, 215, 220, 242, 367, 430, 473, 484, 605, 734, 860, 946, 1210, 1468, 1835, 1892, 2365, 2420, 3670, 4037, 4730, 5203, 7340, 8074, 9460, 10406, 15781, 16148, 20185, 20812, 26015, 31562, 40370, 44407, 52030, 63124, 78905, 80740, 88814, 104060, 157810, 173591, 177628, 222035, 315620, 347182, 444070, 694364, 867955, 888140, 1735910, 1909501, 3471820, 3819002, 7638004, 9547505, 19095010, 38190020]

約数ペア:

[(1, 38190020), (2, 19095010), (4, 9547505), (5, 7638004), (10, 3819002), (11, 3471820), (20, 1909501), (22, 1735910), (43, 888140), (44, 867955), (55, 694364), (86, 444070), (110, 347182), (121, 315620), (172, 222035), (215, 177628), (220, 173591), (242, 157810), (367, 104060), (430, 88814), (473, 80740), (484, 78905), (605, 63124), (734, 52030), (860, 44407), (946, 40370), (1210, 31562), (1468, 26015), (1835, 20812), (1892, 20185), (2365, 16148), (2420, 15781), (3670, 10406), (4037, 9460), (4730, 8074), (5203, 7340)]