204478975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 280482048

約数和(自身を除く): 76003073

約数列:

[1, 5, 17, 25, 43, 67, 85, 167, 215, 335, 425, 731, 835, 1075, 1139, 1675, 2839, 2881, 3655, 4175, 5695, 7181, 11189, 14195, 14405, 18275, 28475, 35905, 48977, 55945, 70975, 72025, 122077, 179525, 190213, 244885, 279725, 481127, 610385, 951065, 1224425, 2405635, 3051925, 4755325, 8179159, 12028175, 40895795, 204478975]

約数ペア:

[(1, 204478975), (5, 40895795), (17, 12028175), (25, 8179159), (43, 4755325), (67, 3051925), (85, 2405635), (167, 1224425), (215, 951065), (335, 610385), (425, 481127), (731, 279725), (835, 244885), (1075, 190213), (1139, 179525), (1675, 122077), (2839, 72025), (2881, 70975), (3655, 55945), (4175, 48977), (5695, 35905), (7181, 28475), (11189, 18275), (14195, 14405)]