1954120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{997}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 5119740

約数和(自身を除く): 3165620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 997, 1960, 1994, 3988, 4985, 6979, 7976, 9970, 13958, 19940, 27916, 34895, 39880, 48853, 55832, 69790, 97706, 139580, 195412, 244265, 279160, 390824, 488530, 977060, 1954120]

約数ペア:

[(1, 1954120), (2, 977060), (4, 488530), (5, 390824), (7, 279160), (8, 244265), (10, 195412), (14, 139580), (20, 97706), (28, 69790), (35, 55832), (40, 48853), (49, 39880), (56, 34895), (70, 27916), (98, 19940), (140, 13958), (196, 9970), (245, 7976), (280, 6979), (392, 4985), (490, 3988), (980, 1994), (997, 1960)]