7816480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{997}}^1$

素因数の和:1026

約数の個数: 72

約数和(自身を含む): 21502908

約数和(自身を除く): 13686428

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, 997, 1120, 1568, 1960, 1994, 3920, 3988, 4985, 6979, 7840, 7976, 9970, 13958, 15952, 19940, 27916, 31904, 34895, 39880, 48853, 55832, 69790, 79760, 97706, 111664, 139580, 159520, 195412, 223328, 244265, 279160, 390824, 488530, 558320, 781648, 977060, 1116640, 1563296, 1954120, 3908240, 7816480]

約数ペア:

[(1, 7816480), (2, 3908240), (4, 1954120), (5, 1563296), (7, 1116640), (8, 977060), (10, 781648), (14, 558320), (16, 488530), (20, 390824), (28, 279160), (32, 244265), (35, 223328), (40, 195412), (49, 159520), (56, 139580), (70, 111664), (80, 97706), (98, 79760), (112, 69790), (140, 55832), (160, 48853), (196, 39880), (224, 34895), (245, 31904), (280, 27916), (392, 19940), (490, 15952), (560, 13958), (784, 9970), (980, 7976), (997, 7840), (1120, 6979), (1568, 4985), (1960, 3988), (1994, 3920)]