349765280

素因数分解:

$2^5\times 5^1\times {\mathrm{677}}^1\times {\mathrm{3229}}^1$

素因数の和:3921

約数の個数: 48

約数和(自身を含む): 827797320

約数和(自身を除く): 478032040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 677, 1354, 2708, 3229, 3385, 5416, 6458, 6770, 10832, 12916, 13540, 16145, 21664, 25832, 27080, 32290, 51664, 54160, 64580, 103328, 108320, 129160, 258320, 516640, 2186033, 4372066, 8744132, 10930165, 17488264, 21860330, 34976528, 43720660, 69953056, 87441320, 174882640, 349765280]

約数ペア:

[(1, 349765280), (2, 174882640), (4, 87441320), (5, 69953056), (8, 43720660), (10, 34976528), (16, 21860330), (20, 17488264), (32, 10930165), (40, 8744132), (80, 4372066), (160, 2186033), (677, 516640), (1354, 258320), (2708, 129160), (3229, 108320), (3385, 103328), (5416, 64580), (6458, 54160), (6770, 51664), (10832, 32290), (12916, 27080), (13540, 25832), (16145, 21664)]