394780408

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{439}}^1\times {\mathrm{929}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 816354000

約数和(自身を除く): 421573592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 439, 484, 878, 929, 968, 1756, 1858, 3512, 3716, 4829, 7432, 9658, 10219, 19316, 20438, 38632, 40876, 53119, 81752, 106238, 112409, 212476, 224818, 407831, 424952, 449636, 815662, 899272, 1631324, 3262648, 4486141, 8972282, 17944564, 35889128, 49347551, 98695102, 197390204, 394780408]

約数ペア:

[(1, 394780408), (2, 197390204), (4, 98695102), (8, 49347551), (11, 35889128), (22, 17944564), (44, 8972282), (88, 4486141), (121, 3262648), (242, 1631324), (439, 899272), (484, 815662), (878, 449636), (929, 424952), (968, 407831), (1756, 224818), (1858, 212476), (3512, 112409), (3716, 106238), (4829, 81752), (7432, 53119), (9658, 40876), (10219, 38632), (19316, 20438)]