51515270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 106142400

約数和(自身を除く): 54627130

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 41, 82, 85, 95, 170, 190, 205, 323, 389, 410, 646, 697, 778, 779, 1394, 1558, 1615, 1945, 3230, 3485, 3890, 3895, 6613, 6970, 7391, 7790, 13226, 13243, 14782, 15949, 26486, 31898, 33065, 36955, 66130, 66215, 73910, 79745, 125647, 132430, 159490, 251294, 271133, 303031, 542266, 606062, 628235, 1256470, 1355665, 1515155, 2711330, 3030310, 5151527, 10303054, 25757635, 51515270]

約数ペア:

[(1, 51515270), (2, 25757635), (5, 10303054), (10, 5151527), (17, 3030310), (19, 2711330), (34, 1515155), (38, 1355665), (41, 1256470), (82, 628235), (85, 606062), (95, 542266), (170, 303031), (190, 271133), (205, 251294), (323, 159490), (389, 132430), (410, 125647), (646, 79745), (697, 73910), (778, 66215), (779, 66130), (1394, 36955), (1558, 33065), (1615, 31898), (1945, 26486), (3230, 15949), (3485, 14782), (3890, 13243), (3895, 13226), (6613, 7790), (6970, 7391)]