305467880

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 699840000

約数和(自身を除く): 394372120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 149, 214, 298, 428, 479, 535, 596, 745, 856, 958, 1070, 1192, 1490, 1916, 2140, 2395, 2980, 3832, 4280, 4790, 5960, 9580, 15943, 19160, 31886, 51253, 63772, 71371, 79715, 102506, 127544, 142742, 159430, 205012, 256265, 285484, 318860, 356855, 410024, 512530, 570968, 637720, 713710, 1025060, 1427420, 2050120, 2854840, 7636697, 15273394, 30546788, 38183485, 61093576, 76366970, 152733940, 305467880]

約数ペア:

[(1, 305467880), (2, 152733940), (4, 76366970), (5, 61093576), (8, 38183485), (10, 30546788), (20, 15273394), (40, 7636697), (107, 2854840), (149, 2050120), (214, 1427420), (298, 1025060), (428, 713710), (479, 637720), (535, 570968), (596, 512530), (745, 410024), (856, 356855), (958, 318860), (1070, 285484), (1192, 256265), (1490, 205012), (1916, 159430), (2140, 142742), (2395, 127544), (2980, 102506), (3832, 79715), (4280, 71371), (4790, 63772), (5960, 51253), (9580, 31886), (15943, 19160)]