309145280

素因数分解:

$2^6\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1427}}^1$

素因数の和:2121

約数の個数: 56

約数和(自身を含む): 737756208

約数和(自身を除く): 428610928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 677, 1354, 1427, 2708, 2854, 3385, 5416, 5708, 6770, 7135, 10832, 11416, 13540, 14270, 21664, 22832, 27080, 28540, 43328, 45664, 54160, 57080, 91328, 108320, 114160, 216640, 228320, 456640, 966079, 1932158, 3864316, 4830395, 7728632, 9660790, 15457264, 19321580, 30914528, 38643160, 61829056, 77286320, 154572640, 309145280]

約数ペア:

[(1, 309145280), (2, 154572640), (4, 77286320), (5, 61829056), (8, 38643160), (10, 30914528), (16, 19321580), (20, 15457264), (32, 9660790), (40, 7728632), (64, 4830395), (80, 3864316), (160, 1932158), (320, 966079), (677, 456640), (1354, 228320), (1427, 216640), (2708, 114160), (2854, 108320), (3385, 91328), (5416, 57080), (5708, 54160), (6770, 45664), (7135, 43328), (10832, 28540), (11416, 27080), (13540, 22832), (14270, 21664)]