387149110

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{18913}}^1$

素因数の和:19032

約数の個数: 32

約数和(自身を含む): 735376320

約数和(自身を除く): 348227210

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 10235, 18913, 20470, 37826, 94565, 189130, 434999, 869998, 1683257, 2174995, 3366514, 4349990, 8416285, 16832570, 38714911, 77429822, 193574555, 387149110]

約数ペア:

[(1, 387149110), (2, 193574555), (5, 77429822), (10, 38714911), (23, 16832570), (46, 8416285), (89, 4349990), (115, 3366514), (178, 2174995), (230, 1683257), (445, 869998), (890, 434999), (2047, 189130), (4094, 94565), (10235, 37826), (18913, 20470)]