90829990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{709}}^1$

素因数の和:1296

約数の個数: 32

約数和(自身を含む): 171149760

約数和(自身を除く): 80319770

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 557, 709, 1114, 1418, 2785, 3545, 5570, 7090, 12811, 16307, 25622, 32614, 64055, 81535, 128110, 163070, 394913, 789826, 1974565, 3949130, 9082999, 18165998, 45414995, 90829990]

約数ペア:

[(1, 90829990), (2, 45414995), (5, 18165998), (10, 9082999), (23, 3949130), (46, 1974565), (115, 789826), (230, 394913), (557, 163070), (709, 128110), (1114, 81535), (1418, 64055), (2785, 32614), (3545, 25622), (5570, 16307), (7090, 12811)]