7279280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4789}}^1$

素因数の和:4821

約数の個数: 40

約数和(自身を含む): 17818800

約数和(自身を除く): 10539520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 4789, 9578, 19156, 23945, 38312, 47890, 76624, 90991, 95780, 181982, 191560, 363964, 383120, 454955, 727928, 909910, 1455856, 1819820, 3639640, 7279280]

約数ペア:

[(1, 7279280), (2, 3639640), (4, 1819820), (5, 1455856), (8, 909910), (10, 727928), (16, 454955), (19, 383120), (20, 363964), (38, 191560), (40, 181982), (76, 95780), (80, 90991), (95, 76624), (152, 47890), (190, 38312), (304, 23945), (380, 19156), (760, 9578), (1520, 4789)]