67947800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{17881}}^1$

素因数の和:17916

約数の個数: 48

約数和(自身を含む): 166302600

約数和(自身を除く): 98354800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 17881, 35762, 71524, 89405, 143048, 178810, 339739, 357620, 447025, 679478, 715240, 894050, 1358956, 1698695, 1788100, 2717912, 3397390, 3576200, 6794780, 8493475, 13589560, 16986950, 33973900, 67947800]

約数ペア:

[(1, 67947800), (2, 33973900), (4, 16986950), (5, 13589560), (8, 8493475), (10, 6794780), (19, 3576200), (20, 3397390), (25, 2717912), (38, 1788100), (40, 1698695), (50, 1358956), (76, 894050), (95, 715240), (100, 679478), (152, 447025), (190, 357620), (200, 339739), (380, 178810), (475, 143048), (760, 89405), (950, 71524), (1900, 35762), (3800, 17881)]