390847520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{49853}}^1$

素因数の和:49882

約数の個数: 72

約数和(自身を含む): 1074154284

約数和(自身を除く): 683306764

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 49853, 99706, 199412, 249265, 348971, 398824, 498530, 697942, 797648, 997060, 1395884, 1595296, 1744855, 1994120, 2442797, 2791768, 3489710, 3988240, 4885594, 5583536, 6979420, 7976480, 9771188, 11167072, 12213985, 13958840, 19542376, 24427970, 27917680, 39084752, 48855940, 55835360, 78169504, 97711880, 195423760, 390847520]

約数ペア:

[(1, 390847520), (2, 195423760), (4, 97711880), (5, 78169504), (7, 55835360), (8, 48855940), (10, 39084752), (14, 27917680), (16, 24427970), (20, 19542376), (28, 13958840), (32, 12213985), (35, 11167072), (40, 9771188), (49, 7976480), (56, 6979420), (70, 5583536), (80, 4885594), (98, 3988240), (112, 3489710), (140, 2791768), (160, 2442797), (196, 1994120), (224, 1744855), (245, 1595296), (280, 1395884), (392, 997060), (490, 797648), (560, 697942), (784, 498530), (980, 398824), (1120, 348971), (1568, 249265), (1960, 199412), (3920, 99706), (7840, 49853)]