38739940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3929}}^1$

素因数の和:3984

約数の個数: 48

約数和(自身を含む): 89132400

約数和(自身を除く): 50392460

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 3929, 4930, 7858, 9860, 15716, 19645, 39290, 66793, 78580, 113941, 133586, 227882, 267172, 333965, 455764, 569705, 667930, 1139410, 1335860, 1936997, 2278820, 3873994, 7747988, 9684985, 19369970, 38739940]

約数ペア:

[(1, 38739940), (2, 19369970), (4, 9684985), (5, 7747988), (10, 3873994), (17, 2278820), (20, 1936997), (29, 1335860), (34, 1139410), (58, 667930), (68, 569705), (85, 455764), (116, 333965), (145, 267172), (170, 227882), (290, 133586), (340, 113941), (493, 78580), (580, 66793), (986, 39290), (1972, 19645), (2465, 15716), (3929, 9860), (4930, 7858)]