450548240

素因数分解:

$2^4\times 5^1\times {\mathrm{991}}^1\times {\mathrm{5683}}^1$

素因数の和:6687

約数の個数: 40

約数和(自身を含む): 1048766208

約数和(自身を除く): 598217968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991, 1982, 3964, 4955, 5683, 7928, 9910, 11366, 15856, 19820, 22732, 28415, 39640, 45464, 56830, 79280, 90928, 113660, 227320, 454640, 5631853, 11263706, 22527412, 28159265, 45054824, 56318530, 90109648, 112637060, 225274120, 450548240]

約数ペア:

[(1, 450548240), (2, 225274120), (4, 112637060), (5, 90109648), (8, 56318530), (10, 45054824), (16, 28159265), (20, 22527412), (40, 11263706), (80, 5631853), (991, 454640), (1982, 227320), (3964, 113660), (4955, 90928), (5683, 79280), (7928, 56830), (9910, 45464), (11366, 39640), (15856, 28415), (19820, 22732)]