205729910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{3527}}^1$

素因数の和:3860

約数の個数: 32

約数和(自身を含む): 391184640

約数和(自身を除く): 185454730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 307, 614, 1535, 3070, 3527, 5833, 7054, 11666, 17635, 29165, 35270, 58330, 67013, 134026, 335065, 670130, 1082789, 2165578, 5413945, 10827890, 20572991, 41145982, 102864955, 205729910]

約数ペア:

[(1, 205729910), (2, 102864955), (5, 41145982), (10, 20572991), (19, 10827890), (38, 5413945), (95, 2165578), (190, 1082789), (307, 670130), (614, 335065), (1535, 134026), (3070, 67013), (3527, 58330), (5833, 35270), (7054, 29165), (11666, 17635)]